{"title":"Built to Order — Freight Quoted","description":"\u003cp\u003eAssembled at the factory after you order (about 3 weeks) and shipped LTL freight. No freight is charged at checkout — we quote it to your address and confirm before shipping.\u003c\/p\u003e","products":[{"product_id":"gc-tek-pressure-filters","title":"GC Tek AlphaONE \/ AquaBead \/ AlphaNANO Pressure Filter","description":"\u003cstyle\u003e\n.gct{--ink:#e7ecf1;--mut:#9fb0bf;--bg:#111417;--bg2:#1a1f24;--line:#2b333b;--aq:#22c1dc;--or:#ff7a1a;--ok:#3ddc97;font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);border-radius:18px;padding:28px 26px;line-height:1.55}\n.gct *{box-sizing:border-box}.gct\u003e*{margin-top:0!important}.gct h2,.gct h3{font-family:'Barlow Condensed','Saira Condensed',Inter,sans-serif!important;text-transform:none!important;letter-spacing:.01em;color:#fff!important;line-height:1.1;margin:0}\n.gct h2{font-size:32px;font-weight:700}.gct h3{font-size:20px;font-weight:700}.gct p{margin:0 0 12px;color:var(--ink)}.gct 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.brand{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}.gct .brand p{margin:0;font-size:13px;color:var(--mut)}.gct .brand b{color:#fff}.gct .brand .tag{color:var(--aq);font-family:'Barlow Condensed','Saira Condensed',sans-serif;font-size:22px;font-weight:700}\n@media(max-width:860px){.gct .feat{grid-template-columns:repeat(2,1fr)}.gct .trust{grid-template-columns:1fr}.gct .two{grid-template-columns:1fr}.gct h2{font-size:26px}.gct{padding:20px 16px}}\n\u003c\/style\u003e\u003cdiv class=\"gct\"\u003e\n\u003cdiv class=\"bto\"\u003e\n\u003csvg width=\"26\" height=\"26\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffb070\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 7h11v9H3zM14 10h4l3 3v3h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"7\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003cdiv\u003e\n\u003cb\u003eBuilt to order · ships in about 3 weeks · freight delivery\u003c\/b\u003e\u003cp\u003eGC Tek assembles this unit at the factory after you order — allow roughly 3 weeks before it ships. It travels by LTL freight; \u003cstrong\u003eno freight is charged at checkout\u003c\/strong\u003e. We quote the freight to your address and confirm it with you before anything ships. Local pickup in Upland, CA is always free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"eyebrow\"\u003eGC Tek pressure bead filter · 5 sizes · 3 media · standard or LH valve\u003c\/p\u003e\n\u003ch2\u003eThe filter 48 out of 50 GC Tek customers choose\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eOne tank family, your choice of media. The AlphaONE, AquaBead and AlphaNANO share the same double-layer fiberglass vessel, Omnifuser internals, 2 HP media agitator, ALISS life-support valve and 10\" clear lid — the only difference is what's inside. Pick a size by pond volume and fish load, then pick the media that suits how you keep koi.\u003c\/p\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eAuthorized GC Tek dealer\u003c\/b\u003eGenuine product, factory warranty, distributor-direct.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWarranty \u0026amp; support handled here\u003c\/b\u003eWe set up, troubleshoot and handle warranty claims in-house.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFreight confirmed before it ships\u003c\/b\u003eYou approve the freight quote first — no surprises at the door.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eOmnifuser internals\u003c\/h3\u003e\n\u003cp\u003eNo slotted laterals, no elbows. Water enters at the lowest point and exits at the highest, so the entire media bed works and solids collect at the bottom center where backwash purges them.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e2 HP media agitator\u003c\/h3\u003e\n\u003cp\u003eA regenerative blower (100+ CFM) tumbles the bed during backwash so beads never pack or channel — a 3-minute weekly chore instead of a wrestling match.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eALISS life support\u003c\/h3\u003e\n\u003cp\u003ePump failure or medical bypass? Plug your air pump into the ALISS valve and the bacteria stay oxygenated until flow is restored.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eLifetime tank warranty\u003c\/h3\u003e\n\u003cp\u003eMolded fiberglass with a second spun-fiberglass shell, pressure rated to 58 psi. Limited lifetime warranty on the tank, 1-year satisfaction guarantee.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eWhich media?\u003c\/h3\u003e\n\u003cdiv class=\"two\"\u003e\n\u003cdiv class=\"box\"\u003e\n\u003ch3\u003eAlphaONE — AlphaBioONE media\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOpen-cell, dimpled, air-injected media distributes debris through the \u003cb\u003ewhole bed\u003c\/b\u003e, not the top few inches.\u003c\/li\u003e\n\u003cli\u003eLeast flow restriction of the three; doesn't slow down between backwashes the way classic beads do.\u003c\/li\u003e\n\u003cli\u003eThe one most koi keepers (and GC Tek) pick — roughly 48 of every 50 filters shipped.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"box\"\u003e\n\u003ch3\u003eAquaBead — BioGems media  |  AlphaNANO media\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAquaBead:\u003c\/b\u003e the original small floating bead. Tighter mechanical capture for keepers who want the finest polish from a bead bed and don't mind a slightly higher operating pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAlphaNANO:\u003c\/b\u003e BioGems-sized pieces molded like AlphaONE's open-cell media — 600+ sq ft of surface per cu ft, field-tested by contractors for over a year. Polishing-filter clarity with AlphaONE-style flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eSize by pond \u0026amp; fish load\u003c\/h3\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003ePond up to\u003c\/th\u003e\n\u003cth\u003eFish load\u003c\/th\u003e\n\u003cth\u003eMax flow\u003c\/th\u003e\n\u003cth\u003eTank (dia × H)\u003c\/th\u003e\n\u003cth\u003eLid\u003c\/th\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003cth\u003eLH\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.75 cu ft\u003c\/td\u003e\n\u003ctd\u003e2,500 gal\u003c\/td\u003e\n\u003ctd\u003e90 lb\u003c\/td\u003e\n\u003ctd\u003e50 gpm\u003c\/td\u003e\n\u003ctd\u003e19\" x 31\"\u003c\/td\u003e\n\u003ctd\u003e8\"\u003c\/td\u003e\n\u003ctd\u003e$2,239.95\u003c\/td\u003e\n\u003ctd\u003e$2,379.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.5 cu ft\u003c\/td\u003e\n\u003ctd\u003e5,000 gal\u003c\/td\u003e\n\u003ctd\u003e125 lb\u003c\/td\u003e\n\u003ctd\u003e70 gpm\u003c\/td\u003e\n\u003ctd\u003e21\" x 34.5\"\u003c\/td\u003e\n\u003ctd\u003e10\"\u003c\/td\u003e\n\u003ctd\u003e$2,524.95\u003c\/td\u003e\n\u003ctd\u003e$2,669.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4.25 cu ft\u003c\/td\u003e\n\u003ctd\u003e10,000 gal\u003c\/td\u003e\n\u003ctd\u003e225 lb\u003c\/td\u003e\n\u003ctd\u003e90 gpm\u003c\/td\u003e\n\u003ctd\u003e24.5\" x 35.5\"\u003c\/td\u003e\n\u003ctd\u003e10\"\u003c\/td\u003e\n\u003ctd\u003e$2,824.95\u003c\/td\u003e\n\u003ctd\u003e$2,974.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.0 cu ft\u003c\/td\u003e\n\u003ctd\u003e17,000 gal\u003c\/td\u003e\n\u003ctd\u003e300 lb\u003c\/td\u003e\n\u003ctd\u003e120 gpm\u003c\/td\u003e\n\u003ctd\u003e30.4\" x 40\"\u003c\/td\u003e\n\u003ctd\u003e10\"\u003c\/td\u003e\n\u003ctd\u003e$3,329.95\u003c\/td\u003e\n\u003ctd\u003e$3,559.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10.0 cu ft\u003c\/td\u003e\n\u003ctd\u003e25,000 gal\u003c\/td\u003e\n\u003ctd\u003e500 lb\u003c\/td\u003e\n\u003ctd\u003e180 gpm\u003c\/td\u003e\n\u003ctd\u003e36.4\" x 45\"\u003c\/td\u003e\n\u003ctd\u003e10\"\u003c\/td\u003e\n\u003ctd\u003e$4,279.95\u003c\/td\u003e\n\u003ctd\u003e$4,437.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cb\u003eGC Tek's sizing rule:\u003c\/b\u003e 1 cu ft of media supports about 50 lb of koi fed 1% of body weight per day. Serious koi ponds run heavier than a water garden — when you're between sizes, go up. All ports are 2\" unions; the 1.75 has an 8\" lid, everything larger gets the 10\" lid.\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eStandard vs. LH (Lower Head)\u003c\/h3\u003e\n\u003cp\u003eMost of the restriction in any pressurized system is the multiport valve. On the \u003cb\u003eLH\u003c\/b\u003e version the water bypasses the multiport entirely in normal filtration and only passes through it during backwash, and the internals are reworked for even more flow. Same tank, same media, same ratings — you just get to run a smaller, lower-amp pump for the same turnover. Built for keepers who care about the electric bill.\u003c\/p\u003e\n\u003ch3 class=\"sec\"\u003eEvery unit ships with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6-position multiport valve (Filter · Backwash · Rinse · Waste · Recirculate · Closed) with 2\" union openings and a large cleanable sight glass\u003c\/li\u003e\n\u003cli\u003e2 HP media agitator with heavy-duty rebuildable spring check valve\u003c\/li\u003e\n\u003cli\u003eALISS air-injection valve · true-reading pressure gauge · EZ Drain that lets water out, not beads\u003c\/li\u003e\n\u003cli\u003eClear lid · media pre-loaded · back in GC Tek's most popular color: black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/products\/biogems-aquabead-filter-bead-media-1-cu-ft\"\u003eReplacement media\u003c\/a\u003e\u003ca href=\"\/products\/multiport-valve-with-spring-check-valve\"\u003eMultiport valve \u0026amp; repair kit\u003c\/a\u003e\u003ca href=\"\/products\/gc-tek-spider-gasket\"\u003eSpider gasket\u003c\/a\u003e\u003ca href=\"\/products\/alphaone-clear-lid\"\u003eClear lids\u003c\/a\u003e\u003ca href=\"\/products\/blower-spring-check-valve\"\u003eSpring check valves\u003c\/a\u003e\u003ca href=\"\/collections\/gc-tek-systems\"\u003ePre-plumbed WattMizer systems\u003c\/a\u003e\u003ca href=\"\/pages\/gctek\"\u003eAll GC Tek\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eOrdering \u0026amp; delivery\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long until it ships?\u003c\/summary\u003e\u003cp\u003eMost GC Tek filters and systems are assembled to order in Chandler, Oklahoma. Typical lead time is about 3 weeks from order to ship, then transit time. Parts and media we stock ship from Upland, CA within a day or two.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy no freight at checkout?\u003c\/summary\u003e\u003cp\u003eFreight for a pressure filter or pre-plumbed system depends on your address, liftgate needs and residential vs. commercial delivery. Charging a flat guess would overcharge some customers and undercharge others, so we quote it to the dollar and confirm with you before shipping.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I pick it up instead?\u003c\/summary\u003e\u003cp\u003eYes — pick up free at Mystic Koi \u0026amp; Water Gardens in Upland, CA. Choose local pickup at checkout or tell us in the order notes and we'll skip freight entirely.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWho handles the warranty?\u003c\/summary\u003e\u003cp\u003eWe do. As an authorized GC Tek dealer we process warranty and parts through the factory for you — no shipping the tank back across the country.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"brand\"\u003e\n\u003cp\u003e\u003cspan class=\"tag\"\u003eGC Tek\u003c\/span\u003e\u003cbr\u003eGrand Champion Technologies · Chandler, Oklahoma · pond filtration built in the USA\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMystic Koi \u0026amp; Water Gardens\u003c\/b\u003e — authorized GC Tek dealer, Upland, California.\u003cbr\u003eQuestions on sizing? Call the shop and talk to someone who runs these filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GC Tek","offers":[{"title":"AlphaONE \/ 1.75 cu ft \/ LH (Lower Head)","offer_id":47994739294357,"sku":"AO1.75LH","price":2379.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 2.5 cu ft \/ LH (Lower Head)","offer_id":47994739327125,"sku":"AO2.5LH","price":2669.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 4.25 cu ft \/ LH (Lower Head)","offer_id":47994739359893,"sku":"AO4.25LH","price":2974.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 6.0 cu ft \/ LH (Lower Head)","offer_id":47994739392661,"sku":"AO6.0LH","price":3559.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 10.0 cu ft \/ LH (Lower Head)","offer_id":47994739425429,"sku":"AO10.0LH","price":4437.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 1.75 cu ft \/ Standard","offer_id":47994739458197,"sku":"AB1.75","price":2239.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 1.75 cu ft \/ LH (Lower Head)","offer_id":47994739490965,"sku":"AB1.75LH","price":2379.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 2.5 cu ft \/ Standard","offer_id":47994739523733,"sku":"AB2.5","price":2524.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 2.5 cu ft \/ LH (Lower Head)","offer_id":47994739556501,"sku":"AB2.5LH","price":2669.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 4.25 cu ft \/ Standard","offer_id":47994739589269,"sku":"AB4.25","price":2824.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 4.25 cu ft \/ LH (Lower Head)","offer_id":47994739622037,"sku":"AB4.25LH","price":2974.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 6.0 cu ft \/ Standard","offer_id":47994739654805,"sku":"AB6.0","price":3329.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 6.0 cu ft \/ LH (Lower Head)","offer_id":47994739687573,"sku":"AB6.0LH","price":3559.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 10.0 cu ft \/ Standard","offer_id":47994739720341,"sku":"AB10.0","price":4279.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 10.0 cu ft \/ LH (Lower Head)","offer_id":47994739753109,"sku":"AB10.0LH","price":4437.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 1.75 cu ft \/ Standard","offer_id":47994739785877,"sku":"AN1.75","price":2239.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 1.75 cu ft \/ LH (Lower Head)","offer_id":47994739818645,"sku":"AN1.75LH","price":2379.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 2.5 cu ft \/ Standard","offer_id":47994739851413,"sku":"AN2.5","price":2524.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 2.5 cu ft \/ LH (Lower Head)","offer_id":47994739884181,"sku":"AN2.5LH","price":2669.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 4.25 cu ft \/ Standard","offer_id":47994739916949,"sku":"AN4.25","price":2824.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 4.25 cu ft \/ LH (Lower Head)","offer_id":47994739949717,"sku":"AN4.25LH","price":2974.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 6.0 cu ft \/ Standard","offer_id":47994739982485,"sku":"AN6.0","price":3329.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 6.0 cu ft \/ LH (Lower Head)","offer_id":47994740015253,"sku":"AN6.0LH","price":3559.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 10.0 cu ft \/ Standard","offer_id":47994740048021,"sku":"AN10.0","price":4279.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 10.0 cu ft \/ LH (Lower Head)","offer_id":47994740080789,"sku":"AN10.0LH","price":4437.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/4961\/9245\/products\/gctekfilter.jpg?v=1588873983"},{"product_id":"poliglass-bead-polishing-filter","title":"GC Tek PoliGlassBead Polishing Filter","description":"\u003cstyle\u003e\n.gct{--ink:#e7ecf1;--mut:#9fb0bf;--bg:#111417;--bg2:#1a1f24;--line:#2b333b;--aq:#22c1dc;--or:#ff7a1a;--ok:#3ddc97;font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);border-radius:18px;padding:28px 26px;line-height:1.55}\n.gct *{box-sizing:border-box}.gct\u003e*{margin-top:0!important}.gct h2,.gct h3{font-family:'Barlow Condensed','Saira Condensed',Inter,sans-serif!important;text-transform:none!important;letter-spacing:.01em;color:#fff!important;line-height:1.1;margin:0}\n.gct h2{font-size:32px;font-weight:700}.gct h3{font-size:20px;font-weight:700}.gct p{margin:0 0 12px;color:var(--ink)}.gct 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.brand{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}.gct .brand p{margin:0;font-size:13px;color:var(--mut)}.gct .brand b{color:#fff}.gct .brand .tag{color:var(--aq);font-family:'Barlow Condensed','Saira Condensed',sans-serif;font-size:22px;font-weight:700}\n@media(max-width:860px){.gct .feat{grid-template-columns:repeat(2,1fr)}.gct .trust{grid-template-columns:1fr}.gct .two{grid-template-columns:1fr}.gct h2{font-size:26px}.gct{padding:20px 16px}}\n\u003c\/style\u003e\u003cdiv class=\"gct\"\u003e\n\u003cdiv class=\"bto\"\u003e\n\u003csvg width=\"26\" height=\"26\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffb070\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 7h11v9H3zM14 10h4l3 3v3h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"7\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003cdiv\u003e\n\u003cb\u003eBuilt to order · ships in about 3 weeks · freight delivery\u003c\/b\u003e\u003cp\u003eGC Tek assembles this unit at the factory after you order — allow roughly 3 weeks before it ships. It travels by LTL freight; \u003cstrong\u003eno freight is charged at checkout\u003c\/strong\u003e. We quote the freight to your address and confirm it with you before anything ships. Local pickup in Upland, CA is always free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"eyebrow\"\u003eGC Tek PoliGlassBead · fine polishing filter · down to 3 microns\u003c\/p\u003e\n\u003ch2\u003eThe last filter in line, and the reason you can see the bottom drain at 6 feet\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eTwo media in one tank: black AlphaBio2 media up top pre-separates the larger solids on the way down, then a bed of \u003cem\u003etrue glass beads\u003c\/em\u003e (not crushed glass) strips the fines. Glass spheres don't bond together the way crushed glass does, so backwash stays easy. GC Tek's test pond — 10,000 gallons on a PoliGlassBead 5K, half the suggested size — went from koi visible only in the top 12\" to bottom drain visible at 6 feet in three days.\u003c\/p\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eAuthorized GC Tek dealer\u003c\/b\u003eGenuine product, factory warranty, distributor-direct.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWarranty \u0026amp; support handled here\u003c\/b\u003eWe set up, troubleshoot and handle warranty claims in-house.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFreight confirmed before it ships\u003c\/b\u003eYou approve the freight quote first — no surprises at the door.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eTrue glass beads\u003c\/h3\u003e\n\u003cp\u003eSpherical beads filter down to ~3 microns and won't clump like crushed-glass media.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eAlphaBio2 pre-separation\u003c\/h3\u003e\n\u003cp\u003eA sinking layer catches the bigger stuff first so the glass bed does only polishing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e2 HP agitator, 58 psi tank\u003c\/h3\u003e\n\u003cp\u003eAgitator standard; blowers now sit below the lid line. 8\" clear lid. Fiberglass tank rated above the usual 50 psi.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePolish on demand\u003c\/h3\u003e\n\u003cp\u003ePlumb it last with a 3-way valve and divert water through it only when you want the extra polish — or run it full-time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003ePond up to\u003c\/th\u003e\n\u003cth\u003ePorts\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e5K\u003c\/td\u003e\n\u003ctd\u003e5,000 gal\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003ctd\u003e$2,374.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10K\u003c\/td\u003e\n\u003ctd\u003e10,000 gal\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003ctd\u003e$2,754.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e17K\u003c\/td\u003e\n\u003ctd\u003e17,000 gal\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003ctd\u003e$3,514.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30K\u003c\/td\u003e\n\u003ctd\u003e30,000 gal\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003ctd\u003e$4,369.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e17.3K\u003c\/td\u003e\n\u003ctd\u003e17,000 gal\u003c\/td\u003e\n\u003ctd\u003e3\"\u003c\/td\u003e\n\u003ctd\u003e$4,099.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30.3K\u003c\/td\u003e\n\u003ctd\u003e30,000 gal\u003c\/td\u003e\n\u003ctd\u003e3\"\u003c\/td\u003e\n\u003ctd\u003e$5,177.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cb\u003ePolishing, not primary.\u003c\/b\u003e The PoliGlassBead is designed to run after a main biological filter (AlphaONE, AquaBead, AlphaNANO or a bakki shower), not stand alone. Order it with a WattMizer PLUS system and GC Tek can plumb it into the pad.\u003c\/div\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/products\/alphabio2-sinking-media\"\u003eAlphaBio2 sinking media\u003c\/a\u003e\u003ca href=\"\/products\/uniclear-filter\"\u003eUniClear carbon filter (removes color)\u003c\/a\u003e\u003ca href=\"\/products\/gc-tek-pressure-filters\"\u003ePressure filters\u003c\/a\u003e\u003ca href=\"\/pages\/gctek\"\u003eAll GC Tek\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eOrdering \u0026amp; delivery\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long until it ships?\u003c\/summary\u003e\u003cp\u003eMost GC Tek filters and systems are assembled to order in Chandler, Oklahoma. Typical lead time is about 3 weeks from order to ship, then transit time. Parts and media we stock ship from Upland, CA within a day or two.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy no freight at checkout?\u003c\/summary\u003e\u003cp\u003eFreight for a pressure filter or pre-plumbed system depends on your address, liftgate needs and residential vs. commercial delivery. Charging a flat guess would overcharge some customers and undercharge others, so we quote it to the dollar and confirm with you before shipping.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I pick it up instead?\u003c\/summary\u003e\u003cp\u003eYes — pick up free at Mystic Koi \u0026amp; Water Gardens in Upland, CA. Choose local pickup at checkout or tell us in the order notes and we'll skip freight entirely.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWho handles the warranty?\u003c\/summary\u003e\u003cp\u003eWe do. As an authorized GC Tek dealer we process warranty and parts through the factory for you — no shipping the tank back across the country.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"brand\"\u003e\n\u003cp\u003e\u003cspan class=\"tag\"\u003eGC Tek\u003c\/span\u003e\u003cbr\u003eGrand Champion Technologies · Chandler, Oklahoma · pond filtration built in the USA\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMystic Koi \u0026amp; Water Gardens\u003c\/b\u003e — authorized GC Tek dealer, Upland, California.\u003cbr\u003eQuestions on sizing? Call the shop and talk to someone who runs these filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GC Tek","offers":[{"title":"17.3K — 3\" ports, up to 17,000 gal","offer_id":47994774454421,"sku":"PGB17.3K","price":4099.95,"currency_code":"USD","in_stock":true},{"title":"30.3K — 3\" ports, up to 30,000 gal","offer_id":47994774487189,"sku":"PGB30.3K","price":5177.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/4961\/9245\/products\/C347.jpg?v=1588954104"},{"product_id":"pondkeeper-filter","title":"GC Tek PondKeeper Filter","description":"\u003cstyle\u003e\n.gct{--ink:#e7ecf1;--mut:#9fb0bf;--bg:#111417;--bg2:#1a1f24;--line:#2b333b;--aq:#22c1dc;--or:#ff7a1a;--ok:#3ddc97;font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);border-radius:18px;padding:28px 26px;line-height:1.55}\n.gct *{box-sizing:border-box}.gct\u003e*{margin-top:0!important}.gct h2,.gct 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0}\n.gct .links a{display:inline-block;background:#0c1e24;border:1px solid #1f4a55;color:var(--aq);text-decoration:none;border-radius:999px;padding:7px 14px;font-size:13px;margin:0 8px 8px 0;font-weight:600}.gct .links a:hover{background:#123540}\n.gct .brand{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}.gct .brand p{margin:0;font-size:13px;color:var(--mut)}.gct .brand b{color:#fff}.gct .brand .tag{color:var(--aq);font-family:'Barlow Condensed','Saira Condensed',sans-serif;font-size:22px;font-weight:700}\n@media(max-width:860px){.gct .feat{grid-template-columns:repeat(2,1fr)}.gct .trust{grid-template-columns:1fr}.gct .two{grid-template-columns:1fr}.gct h2{font-size:26px}.gct{padding:20px 16px}}\n\u003c\/style\u003e\u003cdiv class=\"gct\"\u003e\n\u003cdiv class=\"bto\"\u003e\n\u003csvg width=\"26\" height=\"26\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffb070\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 7h11v9H3zM14 10h4l3 3v3h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"7\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003cdiv\u003e\n\u003cb\u003eBuilt to order · ships in about 3 weeks · freight delivery\u003c\/b\u003e\u003cp\u003eGC Tek assembles this unit at the factory after you order — allow roughly 3 weeks before it ships. It travels by LTL freight; \u003cstrong\u003eno freight is charged at checkout\u003c\/strong\u003e. We quote the freight to your address and confirm it with you before anything ships. Local pickup in Upland, CA is always free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"eyebrow\"\u003eGC Tek PondKeeper · value bead filter · agitator now standard\u003c\/p\u003e\n\u003ch2\u003eReal GC Tek filtration for the water garden budget\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eThe PondKeeper is GC Tek's affordable pressure filter: a thermoplastic tank, GC Tek's own PondKeeper media, a 6-position multiport valve, and — new for 2024 — a 2 HP media agitator and heavier-duty spring check valve as standard equipment. Every model is now the LP (Lower Profile) version, easier to hide behind the waterfall. FLUFF-N-SPIN backwash jets spin each piece of media clean without stripping the bacteria you want to keep.\u003c\/p\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eAuthorized GC Tek dealer\u003c\/b\u003eGenuine product, factory warranty, distributor-direct.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWarranty \u0026amp; support handled here\u003c\/b\u003eWe set up, troubleshoot and handle warranty claims in-house.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFreight confirmed before it ships\u003c\/b\u003eYou approve the freight quote first — no surprises at the door.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eAgitator standard\u003c\/h3\u003e\n\u003cp\u003eThe same 2 HP blower the big filters use, mounted low so it's easy to conceal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePondKeeper media\u003c\/h3\u003e\n\u003cp\u003eProtective shape keeps beneficial bacteria safe through backwash; no clogging, no channeling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eNo two-speed pump\u003c\/h3\u003e\n\u003cp\u003eBackwashes on the same pump that runs the pond. About 3 minutes a week, no dirty hands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eLower profile\u003c\/h3\u003e\n\u003cp\u003eLP is now standard on all four sizes — shorter tank, easier install.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003ePond up to\u003c\/th\u003e\n\u003cth\u003eFish load\u003c\/th\u003e\n\u003cth\u003eTank (dia × H)\u003c\/th\u003e\n\u003cth\u003eValve\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.25 cu ft\u003c\/td\u003e\n\u003ctd\u003e1,500 gal\u003c\/td\u003e\n\u003ctd\u003e60 lb\u003c\/td\u003e\n\u003ctd\u003e16.5\" x 36\"\u003c\/td\u003e\n\u003ctd\u003e1.5\" openings, 2\" unions\u003c\/td\u003e\n\u003ctd\u003e$1,399.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.75 cu ft\u003c\/td\u003e\n\u003ctd\u003e2,500 gal\u003c\/td\u003e\n\u003ctd\u003e90 lb\u003c\/td\u003e\n\u003ctd\u003e19.5\" x 37\"\u003c\/td\u003e\n\u003ctd\u003e1.5\" openings, 2\" unions\u003c\/td\u003e\n\u003ctd\u003e$1,649.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.5 cu ft\u003c\/td\u003e\n\u003ctd\u003e5,000 gal\u003c\/td\u003e\n\u003ctd\u003e125 lb\u003c\/td\u003e\n\u003ctd\u003e21.5\" x 39.5\"\u003c\/td\u003e\n\u003ctd\u003e1.5\" openings, 2\" unions\u003c\/td\u003e\n\u003ctd\u003e$1,699.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4.0 cu ft\u003c\/td\u003e\n\u003ctd\u003e10,000 gal\u003c\/td\u003e\n\u003ctd\u003e200 lb\u003c\/td\u003e\n\u003ctd\u003e24.5\" x 42.5\"\u003c\/td\u003e\n\u003ctd\u003e1.5\" openings, 2\" unions\u003c\/td\u003e\n\u003ctd\u003e$2,169.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cb\u003eKoi pond or water garden?\u003c\/b\u003e PondKeeper ratings assume a water-garden fish load. If you're keeping koi seriously, step up to the AlphaONE family or go one PondKeeper size larger.\u003c\/div\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/products\/pondkeeper-system\"\u003ePondKeeper complete systems\u003c\/a\u003e\u003ca href=\"\/products\/gc-tek-pressure-filters\"\u003eAlphaONE \/ AquaBead \/ AlphaNANO\u003c\/a\u003e\u003ca href=\"\/pages\/gctek\"\u003eAll GC Tek\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eOrdering \u0026amp; delivery\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long until it ships?\u003c\/summary\u003e\u003cp\u003eMost GC Tek filters and systems are assembled to order in Chandler, Oklahoma. Typical lead time is about 3 weeks from order to ship, then transit time. Parts and media we stock ship from Upland, CA within a day or two.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy no freight at checkout?\u003c\/summary\u003e\u003cp\u003eFreight for a pressure filter or pre-plumbed system depends on your address, liftgate needs and residential vs. commercial delivery. Charging a flat guess would overcharge some customers and undercharge others, so we quote it to the dollar and confirm with you before shipping.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I pick it up instead?\u003c\/summary\u003e\u003cp\u003eYes — pick up free at Mystic Koi \u0026amp; Water Gardens in Upland, CA. Choose local pickup at checkout or tell us in the order notes and we'll skip freight entirely.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWho handles the warranty?\u003c\/summary\u003e\u003cp\u003eWe do. As an authorized GC Tek dealer we process warranty and parts through the factory for you — no shipping the tank back across the country.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"brand\"\u003e\n\u003cp\u003e\u003cspan class=\"tag\"\u003eGC Tek\u003c\/span\u003e\u003cbr\u003eGrand Champion Technologies · Chandler, Oklahoma · pond filtration built in the USA\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMystic Koi \u0026amp; Water Gardens\u003c\/b\u003e — authorized GC Tek dealer, Upland, California.\u003cbr\u003eQuestions on sizing? Call the shop and talk to someone who runs these filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GC Tek","offers":[{"title":"1.25 cu ft","offer_id":34247856226349,"sku":"PK1.25","price":1399.95,"currency_code":"USD","in_stock":true},{"title":"1.75 cu ft","offer_id":34247856259117,"sku":"PK1.75","price":1649.95,"currency_code":"USD","in_stock":true},{"title":"2.5 cu ft","offer_id":34247856291885,"sku":"PK2.5","price":1699.95,"currency_code":"USD","in_stock":true},{"title":"4.0 cu ft","offer_id":34247856324653,"sku":"PK4.0","price":2169.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/4961\/9245\/products\/pondkeeper1.75.jpg?v=1588876728"},{"product_id":"uniclear-filter","title":"GC Tek UniClear Carbon Polishing Filter","description":"\u003cstyle\u003e\n.gct{--ink:#e7ecf1;--mut:#9fb0bf;--bg:#111417;--bg2:#1a1f24;--line:#2b333b;--aq:#22c1dc;--or:#ff7a1a;--ok:#3ddc97;font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);border-radius:18px;padding:28px 26px;line-height:1.55}\n.gct *{box-sizing:border-box}.gct\u003e*{margin-top:0!important}.gct h2,.gct h3{font-family:'Barlow Condensed','Saira Condensed',Inter,sans-serif!important;text-transform:none!important;letter-spacing:.01em;color:#fff!important;line-height:1.1;margin:0}\n.gct h2{font-size:32px;font-weight:700}.gct h3{font-size:20px;font-weight:700}.gct p{margin:0 0 12px;color:var(--ink)}.gct .eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--aq);font-weight:700;margin:0 0 8px}\n.gct .lede{font-size:17px;color:var(--mut);max-width:70ch}.gct .bto{display:flex;gap:14px;align-items:flex-start;background:#2a1b0e;border:1px solid #6b3a12;border-left:5px solid var(--or);border-radius:12px;padding:14px 16px;margin:0 0 22px}\n.gct .bto b{color:#ffb070;display:block;font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:3px}.gct .bto p{margin:0;color:#f3e5d8;font-size:14px}.gct .bto svg{flex:0 0 26px;margin-top:2px}\n.gct .trust{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 26px}.gct .trust div{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:13px;color:var(--mut)}.gct .trust div b{display:block;color:#fff;font-size:14px;margin-bottom:2px}\n.gct .feat{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:0 0 26px;align-items:stretch;grid-auto-rows:1fr}.gct .feat\u003e*{margin-top:0!important}.gct .feat div{background:var(--bg2);border:1px solid var(--line);border-top:3px solid var(--aq);border-radius:12px;padding:16px}.gct .feat h3{font-size:18px;margin:0 0 6px}.gct .feat p{font-size:14px;color:var(--mut);margin:0}\n.gct .sec{margin:0 0 12px;padding-top:6px}.gct .tbl{overflow-x:auto;margin:0 0 26px;border:1px solid var(--line);border-radius:12px}.gct table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}.gct th{background:#0c1e24;color:var(--aq);text-align:left;padding:10px 12px;font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--line)}\n.gct td{padding:10px 12px;border-bottom:1px solid var(--line);color:var(--ink)}.gct tr:last-child td{border-bottom:0}.gct td:first-child{font-weight:700;color:#fff;white-space:nowrap}\n.gct .note{background:var(--bg2);border:1px solid var(--line);border-left:4px solid var(--aq);border-radius:10px;padding:14px 16px;margin:0 0 26px;font-size:14px;color:var(--mut)}.gct .note b{color:#fff}.gct .note.warn{border-left-color:var(--or)}\n.gct .two{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 26px}.gct .two\u003e*{margin-top:0!important}.gct .box{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px}.gct .box h3{margin:0 0 8px}.gct ul{margin:0;padding-left:18px;color:var(--mut);font-size:14px}.gct li{margin:0 0 6px}.gct li b{color:#fff}\n.gct .faq details{border-bottom:1px solid var(--line);padding:10px 0}.gct .faq summary{cursor:pointer;color:#fff;font-weight:600;font-size:15px}.gct .faq p{font-size:14px;color:var(--mut);margin:8px 0 0}\n.gct .links a{display:inline-block;background:#0c1e24;border:1px solid #1f4a55;color:var(--aq);text-decoration:none;border-radius:999px;padding:7px 14px;font-size:13px;margin:0 8px 8px 0;font-weight:600}.gct .links a:hover{background:#123540}\n.gct .brand{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}.gct .brand p{margin:0;font-size:13px;color:var(--mut)}.gct .brand b{color:#fff}.gct .brand .tag{color:var(--aq);font-family:'Barlow Condensed','Saira Condensed',sans-serif;font-size:22px;font-weight:700}\n@media(max-width:860px){.gct .feat{grid-template-columns:repeat(2,1fr)}.gct .trust{grid-template-columns:1fr}.gct .two{grid-template-columns:1fr}.gct h2{font-size:26px}.gct{padding:20px 16px}}\n\u003c\/style\u003e\u003cdiv class=\"gct\"\u003e\n\u003cdiv class=\"bto\"\u003e\n\u003csvg width=\"26\" height=\"26\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffb070\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 7h11v9H3zM14 10h4l3 3v3h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"7\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003cdiv\u003e\n\u003cb\u003eBuilt to order · ships in about 3 weeks · freight delivery\u003c\/b\u003e\u003cp\u003eGC Tek assembles this unit at the factory after you order — allow roughly 3 weeks before it ships. It travels by LTL freight; \u003cstrong\u003eno freight is charged at checkout\u003c\/strong\u003e. We quote the freight to your address and confirm it with you before anything ships. Local pickup in Upland, CA is always free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"eyebrow\"\u003eGC Tek UniClear · carbon polishing filter · removes tannin color\u003c\/p\u003e\n\u003ch2\u003eClear water that still looks yellow? This is the fix.\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003ePlenty of ponds are perfectly clear and the whites on the koi still look off-white. That's dissolved color — tannins — and no bead filter removes it. The UniClear runs high-grade carbon in a backwashable, lower-profile tank with a 2 HP agitator, absorbing the color while giving the water a final polish of fines. When the carbon stops pulling color, replace it. New for this generation: a larger carbon size and lateral assembly that stretch the interval between backwashes.\u003c\/p\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eAuthorized GC Tek dealer\u003c\/b\u003eGenuine product, factory warranty, distributor-direct.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWarranty \u0026amp; support handled here\u003c\/b\u003eWe set up, troubleshoot and handle warranty claims in-house.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFreight confirmed before it ships\u003c\/b\u003eYou approve the freight quote first — no surprises at the door.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePulls the color\u003c\/h3\u003e\n\u003cp\u003eHigh-grade activated carbon absorbs tannins so whites read white and reds pop.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePolishes too\u003c\/h3\u003e\n\u003cp\u003eTraps fines on the way through for the clearest water attainable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eBackwashable\u003c\/h3\u003e\n\u003cp\u003eSpring check valve and 2 HP media agitator included; carbon is replaceable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eRun it when you need it\u003c\/h3\u003e\n\u003cp\u003ePlumb with two 3-way valves and divert flow through it only when color builds — or run continuously.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003ePond up to\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.75 cu ft — up to 5,000 gal\u003c\/td\u003e\n\u003ctd\u003e5,000 gal\u003c\/td\u003e\n\u003ctd\u003e$1,424.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.5 cu ft — up to 10,000 gal\u003c\/td\u003e\n\u003ctd\u003e10,000 gal\u003c\/td\u003e\n\u003ctd\u003e$1,594.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4.0 cu ft — up to 17,000 gal\u003c\/td\u003e\n\u003ctd\u003e17,000 gal\u003c\/td\u003e\n\u003ctd\u003e$1,959.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"note\"\u003eAll UniClear units are the LP lower-profile design. Custom and 3\" sizes are available — ask us.\u003c\/div\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/products\/poliglass-bead-polishing-filter\"\u003ePoliGlassBead polishing filter\u003c\/a\u003e\u003ca href=\"\/products\/3-way-valve-2-2-5-3wv-2\"\u003e2-way \/ 3-way valves\u003c\/a\u003e\u003ca href=\"\/pages\/gctek\"\u003eAll GC Tek\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eOrdering \u0026amp; delivery\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long until it ships?\u003c\/summary\u003e\u003cp\u003eMost GC Tek filters and systems are assembled to order in Chandler, Oklahoma. Typical lead time is about 3 weeks from order to ship, then transit time. Parts and media we stock ship from Upland, CA within a day or two.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy no freight at checkout?\u003c\/summary\u003e\u003cp\u003eFreight for a pressure filter or pre-plumbed system depends on your address, liftgate needs and residential vs. commercial delivery. Charging a flat guess would overcharge some customers and undercharge others, so we quote it to the dollar and confirm with you before shipping.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I pick it up instead?\u003c\/summary\u003e\u003cp\u003eYes — pick up free at Mystic Koi \u0026amp; Water Gardens in Upland, CA. Choose local pickup at checkout or tell us in the order notes and we'll skip freight entirely.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWho handles the warranty?\u003c\/summary\u003e\u003cp\u003eWe do. As an authorized GC Tek dealer we process warranty and parts through the factory for you — no shipping the tank back across the country.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"brand\"\u003e\n\u003cp\u003e\u003cspan class=\"tag\"\u003eGC Tek\u003c\/span\u003e\u003cbr\u003eGrand Champion Technologies · Chandler, Oklahoma · pond filtration built in the USA\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMystic Koi \u0026amp; Water Gardens\u003c\/b\u003e — authorized GC Tek dealer, Upland, California.\u003cbr\u003eQuestions on sizing? Call the shop and talk to someone who runs these filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GC Tek","offers":[{"title":"1.75 cu ft — up to 5,000 gal","offer_id":45738481582229,"sku":"UNC1.75","price":1424.95,"currency_code":"USD","in_stock":true},{"title":"2.5 cu ft — up to 10,000 gal","offer_id":34247895351341,"sku":"UC2.5","price":1594.95,"currency_code":"USD","in_stock":true},{"title":"4.0 cu ft — up to 17,000 gal","offer_id":34247895384109,"sku":"UC4.0","price":1959.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/4961\/9245\/products\/Pondkeeper6_843a7f8b-692e-47bc-a182-f4a8f86b4c19.jpg?v=1588877091"},{"product_id":"alphaone-3-port-mega-filters","title":"GC Tek 6.3 \/ 10.3 Pressure Filter — 3\" Ports","description":"\u003cstyle\u003e\n.gct{--ink:#e7ecf1;--mut:#9fb0bf;--bg:#111417;--bg2:#1a1f24;--line:#2b333b;--aq:#22c1dc;--or:#ff7a1a;--ok:#3ddc97;font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);border-radius:18px;padding:28px 26px;line-height:1.55}\n.gct *{box-sizing:border-box}.gct\u003e*{margin-top:0!important}.gct h2,.gct h3{font-family:'Barlow Condensed','Saira Condensed',Inter,sans-serif!important;text-transform:none!important;letter-spacing:.01em;color:#fff!important;line-height:1.1;margin:0}\n.gct h2{font-size:32px;font-weight:700}.gct h3{font-size:20px;font-weight:700}.gct p{margin:0 0 12px;color:var(--ink)}.gct .eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--aq);font-weight:700;margin:0 0 8px}\n.gct .lede{font-size:17px;color:var(--mut);max-width:70ch}.gct .bto{display:flex;gap:14px;align-items:flex-start;background:#2a1b0e;border:1px solid #6b3a12;border-left:5px solid var(--or);border-radius:12px;padding:14px 16px;margin:0 0 22px}\n.gct .bto b{color:#ffb070;display:block;font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:3px}.gct .bto 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th{background:#0c1e24;color:var(--aq);text-align:left;padding:10px 12px;font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--line)}\n.gct td{padding:10px 12px;border-bottom:1px solid var(--line);color:var(--ink)}.gct tr:last-child td{border-bottom:0}.gct td:first-child{font-weight:700;color:#fff;white-space:nowrap}\n.gct .note{background:var(--bg2);border:1px solid var(--line);border-left:4px solid var(--aq);border-radius:10px;padding:14px 16px;margin:0 0 26px;font-size:14px;color:var(--mut)}.gct .note b{color:#fff}.gct .note.warn{border-left-color:var(--or)}\n.gct .two{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 26px}.gct .two\u003e*{margin-top:0!important}.gct .box{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px}.gct .box h3{margin:0 0 8px}.gct ul{margin:0;padding-left:18px;color:var(--mut);font-size:14px}.gct li{margin:0 0 6px}.gct li b{color:#fff}\n.gct .faq details{border-bottom:1px solid var(--line);padding:10px 0}.gct .faq summary{cursor:pointer;color:#fff;font-weight:600;font-size:15px}.gct .faq p{font-size:14px;color:var(--mut);margin:8px 0 0}\n.gct .links a{display:inline-block;background:#0c1e24;border:1px solid #1f4a55;color:var(--aq);text-decoration:none;border-radius:999px;padding:7px 14px;font-size:13px;margin:0 8px 8px 0;font-weight:600}.gct .links a:hover{background:#123540}\n.gct .brand{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}.gct .brand p{margin:0;font-size:13px;color:var(--mut)}.gct .brand b{color:#fff}.gct .brand .tag{color:var(--aq);font-family:'Barlow Condensed','Saira Condensed',sans-serif;font-size:22px;font-weight:700}\n@media(max-width:860px){.gct .feat{grid-template-columns:repeat(2,1fr)}.gct .trust{grid-template-columns:1fr}.gct .two{grid-template-columns:1fr}.gct h2{font-size:26px}.gct{padding:20px 16px}}\n\u003c\/style\u003e\u003cdiv class=\"gct\"\u003e\n\u003cdiv class=\"bto\"\u003e\n\u003csvg width=\"26\" height=\"26\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffb070\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 7h11v9H3zM14 10h4l3 3v3h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"7\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003cdiv\u003e\n\u003cb\u003eBuilt to order · ships in about 3 weeks · freight delivery\u003c\/b\u003e\u003cp\u003eGC Tek assembles this unit at the factory after you order — allow roughly 3 weeks before it ships. It travels by LTL freight; \u003cstrong\u003eno freight is charged at checkout\u003c\/strong\u003e. We quote the freight to your address and confirm it with you before anything ships. Local pickup in Upland, CA is always free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"eyebrow\"\u003eGC Tek 6.3 \u0026amp; 10.3 · 3\" Super Hi-Flow multiport · for the all-3\" system\u003c\/p\u003e\n\u003ch2\u003eWhen you want to move a lot of water for very little energy\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eTake the 6.0 or 10.0 tank, fit GC Tek's 3\" Hi-Flow multiport and 3\" unions, and friction loss drops hard. That lets a 3\" Artesian Pro pump turn a 20,000–30,000 gallon pond at low RPM. Pair it with the AquaSieve 3.3 SS prefilter and a 3\" NishikigoiUV and you have GC Tek's MegaSystem3 in pieces.\u003c\/p\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eAuthorized GC Tek dealer\u003c\/b\u003eGenuine product, factory warranty, distributor-direct.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWarranty \u0026amp; support handled here\u003c\/b\u003eWe set up, troubleshoot and handle warranty claims in-house.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFreight confirmed before it ships\u003c\/b\u003eYou approve the freight quote first — no surprises at the door.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003e3\" everything\u003c\/h3\u003e\n\u003cp\u003e3\" multiport, 3\" unions, clear lid. Built for 3\" plumbing runs where 2\" would cost you head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eSame tank, more rating\u003c\/h3\u003e\n\u003cp\u003eThe 10.3 is rated to 30,000 gal and 500 lb of koi at up to 180 gpm — the 3\" valve is what unlocks it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eYour media choice\u003c\/h3\u003e\n\u003cp\u003eAlphaBioONE (AlphaONE), BioGems (AquaBead) or AlphaNANO — same price either way.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eFull GC Tek kit\u003c\/h3\u003e\n\u003cp\u003eOmnifuser, 2 HP agitator, ALISS valve, EZ Drain, limited lifetime tank warranty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eMedia\u003c\/th\u003e\n\u003cth\u003ePond up to\u003c\/th\u003e\n\u003cth\u003eFish load\u003c\/th\u003e\n\u003cth\u003eTank\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.3 (6 cu ft)\u003c\/td\u003e\n\u003ctd\u003eAO \/ AB \/ AN\u003c\/td\u003e\n\u003ctd\u003e20,000 gal\u003c\/td\u003e\n\u003ctd\u003e300 lb\u003c\/td\u003e\n\u003ctd\u003e30.4\" x 40\"\u003c\/td\u003e\n\u003ctd\u003e$4,099.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10.3 (10 cu ft)\u003c\/td\u003e\n\u003ctd\u003eAO \/ AB \/ AN\u003c\/td\u003e\n\u003ctd\u003e30,000 gal\u003c\/td\u003e\n\u003ctd\u003e500 lb\u003c\/td\u003e\n\u003ctd\u003e36.4\" x 45\"\u003c\/td\u003e\n\u003ctd\u003e$5,264.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/products\/gc-tek-pressure-filters\"\u003e2\" filters\u003c\/a\u003e\u003ca href=\"\/products\/aqua-sieve-2-pond-strainer\"\u003eAquaSieve 3.3 SS prefilter\u003c\/a\u003e\u003ca href=\"\/products\/poliglass-bead-polishing-filter\"\u003ePoliGlassBead 17.3K \/ 30.3K (3\")\u003c\/a\u003e\u003ca href=\"\/pages\/gctek\"\u003eAll GC Tek\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eOrdering \u0026amp; delivery\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long until it ships?\u003c\/summary\u003e\u003cp\u003eMost GC Tek filters and systems are assembled to order in Chandler, Oklahoma. Typical lead time is about 3 weeks from order to ship, then transit time. Parts and media we stock ship from Upland, CA within a day or two.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy no freight at checkout?\u003c\/summary\u003e\u003cp\u003eFreight for a pressure filter or pre-plumbed system depends on your address, liftgate needs and residential vs. commercial delivery. Charging a flat guess would overcharge some customers and undercharge others, so we quote it to the dollar and confirm with you before shipping.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I pick it up instead?\u003c\/summary\u003e\u003cp\u003eYes — pick up free at Mystic Koi \u0026amp; Water Gardens in Upland, CA. Choose local pickup at checkout or tell us in the order notes and we'll skip freight entirely.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWho handles the warranty?\u003c\/summary\u003e\u003cp\u003eWe do. As an authorized GC Tek dealer we process warranty and parts through the factory for you — no shipping the tank back across the country.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"brand\"\u003e\n\u003cp\u003e\u003cspan class=\"tag\"\u003eGC Tek\u003c\/span\u003e\u003cbr\u003eGrand Champion Technologies · Chandler, Oklahoma · pond filtration built in the USA\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMystic Koi \u0026amp; Water Gardens\u003c\/b\u003e — authorized GC Tek dealer, Upland, California.\u003cbr\u003eQuestions on sizing? Call the shop and talk to someone who runs these filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GC Tek","offers":[{"title":"AquaBead \/ 6.3 (6 cu ft)","offer_id":47994749321365,"sku":"AB6.3","price":4099.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 10.3 (10 cu ft)","offer_id":47994749354133,"sku":"AB10.3","price":5264.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 6.3 (6 cu ft)","offer_id":47994749386901,"sku":"AN6.3","price":4099.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 10.3 (10 cu ft)","offer_id":47994749419669,"sku":"AN10.3","price":5264.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/4961\/9245\/products\/1510527764mthumb.php-5.jpg?v=1588953823"},{"product_id":"pondkeeper-system","title":"GC Tek PondKeeper Complete System","description":"\u003cstyle\u003e\n.gct{--ink:#e7ecf1;--mut:#9fb0bf;--bg:#111417;--bg2:#1a1f24;--line:#2b333b;--aq:#22c1dc;--or:#ff7a1a;--ok:#3ddc97;font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);border-radius:18px;padding:28px 26px;line-height:1.55}\n.gct *{box-sizing:border-box}.gct\u003e*{margin-top:0!important}.gct h2,.gct h3{font-family:'Barlow Condensed','Saira Condensed',Inter,sans-serif!important;text-transform:none!important;letter-spacing:.01em;color:#fff!important;line-height:1.1;margin:0}\n.gct h2{font-size:32px;font-weight:700}.gct h3{font-size:20px;font-weight:700}.gct p{margin:0 0 12px;color:var(--ink)}.gct .eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--aq);font-weight:700;margin:0 0 8px}\n.gct .lede{font-size:17px;color:var(--mut);max-width:70ch}.gct .bto{display:flex;gap:14px;align-items:flex-start;background:#2a1b0e;border:1px solid #6b3a12;border-left:5px solid 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var(--line);border-radius:12px;padding:16px}.gct .box h3{margin:0 0 8px}.gct ul{margin:0;padding-left:18px;color:var(--mut);font-size:14px}.gct li{margin:0 0 6px}.gct li b{color:#fff}\n.gct .faq details{border-bottom:1px solid var(--line);padding:10px 0}.gct .faq summary{cursor:pointer;color:#fff;font-weight:600;font-size:15px}.gct .faq p{font-size:14px;color:var(--mut);margin:8px 0 0}\n.gct .links a{display:inline-block;background:#0c1e24;border:1px solid #1f4a55;color:var(--aq);text-decoration:none;border-radius:999px;padding:7px 14px;font-size:13px;margin:0 8px 8px 0;font-weight:600}.gct .links a:hover{background:#123540}\n.gct .brand{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}.gct .brand p{margin:0;font-size:13px;color:var(--mut)}.gct .brand b{color:#fff}.gct .brand .tag{color:var(--aq);font-family:'Barlow Condensed','Saira Condensed',sans-serif;font-size:22px;font-weight:700}\n@media(max-width:860px){.gct .feat{grid-template-columns:repeat(2,1fr)}.gct .trust{grid-template-columns:1fr}.gct .two{grid-template-columns:1fr}.gct h2{font-size:26px}.gct{padding:20px 16px}}\n\u003c\/style\u003e\u003cdiv class=\"gct\"\u003e\n\u003cdiv class=\"bto\"\u003e\n\u003csvg width=\"26\" height=\"26\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffb070\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 7h11v9H3zM14 10h4l3 3v3h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"7\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003cdiv\u003e\n\u003cb\u003eBuilt to order · ships in about 3 weeks · freight delivery\u003c\/b\u003e\u003cp\u003eGC Tek assembles this unit at the factory after you order — allow roughly 3 weeks before it ships. It travels by LTL freight; \u003cstrong\u003eno freight is charged at checkout\u003c\/strong\u003e. We quote the freight to your address and confirm it with you before anything ships. Local pickup in Upland, CA is always free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"eyebrow\"\u003eGC Tek PondKeeper system · complete water-garden \u0026amp; quarantine package\u003c\/p\u003e\n\u003ch2\u003eEverything on one pad, ready to go\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eA PondKeeper filter with 2 HP media agitator, an Artesian2 external pump (no oil to leak into the pond, far more efficient than a submersible) and a 316 stainless NishikigoiUV-H80 amalgam UV, pre-plumbed on a 36\" × 48\" all-weather pad with media in the tank. 2\" unions at every fitting. Backwash is about three minutes a week with no dirty hands; winterize in minutes. Just the thing for water gardens and quarantine systems.\u003c\/p\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eAuthorized GC Tek dealer\u003c\/b\u003eGenuine product, factory warranty, distributor-direct.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWarranty \u0026amp; support handled here\u003c\/b\u003eWe set up, troubleshoot and handle warranty claims in-house.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFreight confirmed before it ships\u003c\/b\u003eYou approve the freight quote first — no surprises at the door.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eOut-of-pond pump\u003c\/h3\u003e\n\u003cp\u003eArtesian2 pumps from Performance Pro — quiet, efficient, 3-year warranty, plenty of push for backwash.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eNishikigoiUV-H80\u003c\/h3\u003e\n\u003cp\u003e316 stainless, 80 W amalgam lamp, lifetime vessel warranty. Standard on all PondKeeper systems from 6\/1\/26.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eBeefier spring check\u003c\/h3\u003e\n\u003cp\u003eThe same heavy-duty check valve GC Tek fits to its side-mount filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eCords included\u003c\/h3\u003e\n\u003cp\u003ePump and UV come with cords; set the pad, connect in\/out, plug in.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSystem\u003c\/th\u003e\n\u003cth\u003ePond up to\u003c\/th\u003e\n\u003cth\u003eFish load\u003c\/th\u003e\n\u003cth\u003ePump\u003c\/th\u003e\n\u003cth\u003eUV\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePondKeeper 1500 — up to 1,500 gal\u003c\/td\u003e\n\u003ctd\u003e1,500 gal\u003c\/td\u003e\n\u003ctd\u003e60 lb\u003c\/td\u003e\n\u003ctd\u003e1\/2 HP Artesian2 HF\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-H80 (80 W)\u003c\/td\u003e\n\u003ctd\u003e$3,254.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePondKeeper 2500 — up to 2,500 gal\u003c\/td\u003e\n\u003ctd\u003e2,500 gal\u003c\/td\u003e\n\u003ctd\u003e90 lb\u003c\/td\u003e\n\u003ctd\u003e1\/2 HP Artesian2 HF\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-H80 (80 W)\u003c\/td\u003e\n\u003ctd\u003e$3,386.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePondKeeper 5000 — up to 5,000 gal\u003c\/td\u003e\n\u003ctd\u003e5,000 gal\u003c\/td\u003e\n\u003ctd\u003e125 lb\u003c\/td\u003e\n\u003ctd\u003e3\/4 HP Artesian2 HF\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-H80 (80 W)\u003c\/td\u003e\n\u003ctd\u003e$3,599.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/products\/pondkeeper-filter\"\u003ePondKeeper filter alone\u003c\/a\u003e\u003ca href=\"\/products\/koikeeper-pond-filteration-system\"\u003eWattMizer KoiKeeper (koi-rated)\u003c\/a\u003e\u003ca href=\"\/collections\/gc-tek-systems\"\u003eAll GC Tek systems\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eOrdering \u0026amp; delivery\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long until it ships?\u003c\/summary\u003e\u003cp\u003eMost GC Tek filters and systems are assembled to order in Chandler, Oklahoma. Typical lead time is about 3 weeks from order to ship, then transit time. Parts and media we stock ship from Upland, CA within a day or two.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy no freight at checkout?\u003c\/summary\u003e\u003cp\u003eFreight for a pressure filter or pre-plumbed system depends on your address, liftgate needs and residential vs. commercial delivery. Charging a flat guess would overcharge some customers and undercharge others, so we quote it to the dollar and confirm with you before shipping.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I pick it up instead?\u003c\/summary\u003e\u003cp\u003eYes — pick up free at Mystic Koi \u0026amp; Water Gardens in Upland, CA. Choose local pickup at checkout or tell us in the order notes and we'll skip freight entirely.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWho handles the warranty?\u003c\/summary\u003e\u003cp\u003eWe do. As an authorized GC Tek dealer we process warranty and parts through the factory for you — no shipping the tank back across the country.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"brand\"\u003e\n\u003cp\u003e\u003cspan class=\"tag\"\u003eGC Tek\u003c\/span\u003e\u003cbr\u003eGrand Champion Technologies · Chandler, Oklahoma · pond filtration built in the USA\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMystic Koi \u0026amp; Water Gardens\u003c\/b\u003e — authorized GC Tek dealer, Upland, California.\u003cbr\u003eQuestions on sizing? Call the shop and talk to someone who runs these filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GC Tek","offers":[{"title":"PondKeeper 1500 — up to 1,500 gal","offer_id":34474464182421,"sku":"PK1500","price":3254.95,"currency_code":"USD","in_stock":true},{"title":"PondKeeper 2500 — up to 2,500 gal","offer_id":34474464215189,"sku":"PK2500","price":3386.95,"currency_code":"USD","in_stock":true},{"title":"PondKeeper 5000 — up to 5,000 gal","offer_id":34474464247957,"sku":"PK5000","price":3599.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/4961\/9245\/products\/pondkeeper.jpg?v=1590790501"},{"product_id":"koikeeper-pond-filteration-system","title":"GC Tek WattMizer KoiKeeper System","description":"\u003cstyle\u003e\n.gct{--ink:#e7ecf1;--mut:#9fb0bf;--bg:#111417;--bg2:#1a1f24;--line:#2b333b;--aq:#22c1dc;--or:#ff7a1a;--ok:#3ddc97;font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);border-radius:18px;padding:28px 26px;line-height:1.55}\n.gct *{box-sizing:border-box}.gct\u003e*{margin-top:0!important}.gct h2,.gct h3{font-family:'Barlow Condensed','Saira Condensed',Inter,sans-serif!important;text-transform:none!important;letter-spacing:.01em;color:#fff!important;line-height:1.1;margin:0}\n.gct h2{font-size:32px;font-weight:700}.gct h3{font-size:20px;font-weight:700}.gct p{margin:0 0 12px;color:var(--ink)}.gct .eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--aq);font-weight:700;margin:0 0 8px}\n.gct .lede{font-size:17px;color:var(--mut);max-width:70ch}.gct .bto{display:flex;gap:14px;align-items:flex-start;background:#2a1b0e;border:1px solid #6b3a12;border-left:5px solid var(--or);border-radius:12px;padding:14px 16px;margin:0 0 22px}\n.gct .bto b{color:#ffb070;display:block;font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:3px}.gct .bto 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details{border-bottom:1px solid var(--line);padding:10px 0}.gct .faq summary{cursor:pointer;color:#fff;font-weight:600;font-size:15px}.gct .faq p{font-size:14px;color:var(--mut);margin:8px 0 0}\n.gct .links a{display:inline-block;background:#0c1e24;border:1px solid #1f4a55;color:var(--aq);text-decoration:none;border-radius:999px;padding:7px 14px;font-size:13px;margin:0 8px 8px 0;font-weight:600}.gct .links a:hover{background:#123540}\n.gct .brand{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}.gct .brand p{margin:0;font-size:13px;color:var(--mut)}.gct .brand b{color:#fff}.gct .brand .tag{color:var(--aq);font-family:'Barlow Condensed','Saira Condensed',sans-serif;font-size:22px;font-weight:700}\n@media(max-width:860px){.gct .feat{grid-template-columns:repeat(2,1fr)}.gct .trust{grid-template-columns:1fr}.gct .two{grid-template-columns:1fr}.gct h2{font-size:26px}.gct{padding:20px 16px}}\n\u003c\/style\u003e\u003cdiv class=\"gct\"\u003e\n\u003cdiv class=\"bto\"\u003e\n\u003csvg width=\"26\" height=\"26\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffb070\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 7h11v9H3zM14 10h4l3 3v3h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"7\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003cdiv\u003e\n\u003cb\u003eBuilt to order · ships in about 3 weeks · freight delivery\u003c\/b\u003e\u003cp\u003eGC Tek assembles this unit at the factory after you order — allow roughly 3 weeks before it ships. It travels by LTL freight; \u003cstrong\u003eno freight is charged at checkout\u003c\/strong\u003e. We quote the freight to your address and confirm it with you before anything ships. Local pickup in Upland, CA is always free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"eyebrow\"\u003eGC Tek WattMizer KoiKeeper · complete system · 2.5K \/ 5K \/ 10K\u003c\/p\u003e\n\u003ch2\u003eThe simple, no-options koi system\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eFilter, low-RPM Artesian2 pump and a 316 stainless NishikigoiUV-H80 pre-plumbed on a 36\" × 48\" all-weather pad. The KoiKeeper is deliberately kept simple — three sizes, no options — so a good system stays affordable. If you live where electricity is tiered, the low-RPM pump is the point: 320–630 watts to run the whole pond. Need a prefilter, a different pump or a bigger UV? Step up to the WattMizer PLUS.\u003c\/p\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eAuthorized GC Tek dealer\u003c\/b\u003eGenuine product, factory warranty, distributor-direct.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWarranty \u0026amp; support handled here\u003c\/b\u003eWe set up, troubleshoot and handle warranty claims in-house.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFreight confirmed before it ships\u003c\/b\u003eYou approve the freight quote first — no surprises at the door.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePre-plumbed at the factory\u003c\/h3\u003e\n\u003cp\u003eGC Tek physically assembles every system, marks every union, then breaks it down into boxes. You set the pads, hand-tighten the numbered unions and connect pond in\/out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eArtesian2 pumps\u003c\/h3\u003e\n\u003cp\u003ePerformance Pro external pumps custom-specced for GC Tek — quiet, energy-efficient, 3-year warranty, plenty of power for a proper backwash.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e316 stainless NishikigoiUV\u003c\/h3\u003e\n\u003cp\u003eMarine-grade 316 (not 304) stainless amalgam UV with individual ballasts, lamp indicators and an hour meter. 13,000-hour lamps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eYour filter, your media\u003c\/h3\u003e\n\u003cp\u003eChoose AlphaONE, AquaBead or AlphaNANO media in the filter. Same price either way.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eChoose your size\u003c\/h3\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSystem\u003c\/th\u003e\n\u003cth\u003ePond up to\u003c\/th\u003e\n\u003cth\u003eFish load\u003c\/th\u003e\n\u003cth\u003ePump\u003c\/th\u003e\n\u003cth\u003eUV\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.5K — up to 2,500 gal\u003c\/td\u003e\n\u003ctd\u003e2,500 gal\u003c\/td\u003e\n\u003ctd\u003e90 lb\u003c\/td\u003e\n\u003ctd\u003e1\/4 HP Artesian2 (320 W)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-H80 (80 W, 316 SS)\u003c\/td\u003e\n\u003ctd\u003e$4,072.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5K — up to 5,000 gal\u003c\/td\u003e\n\u003ctd\u003e5,000 gal\u003c\/td\u003e\n\u003ctd\u003e125 lb\u003c\/td\u003e\n\u003ctd\u003e1\/3 HP Artesian2 (440 W)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-H80 (80 W, 316 SS)\u003c\/td\u003e\n\u003ctd\u003e$4,534.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10K — up to 10,000 gal\u003c\/td\u003e\n\u003ctd\u003e10,000 gal\u003c\/td\u003e\n\u003ctd\u003e225 lb\u003c\/td\u003e\n\u003ctd\u003e1\/2 HP Artesian2 (630 W)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-H80 (80 W, 316 SS)\u003c\/td\u003e\n\u003ctd\u003e$4,899.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cb\u003eWhat's on the pad:\u003c\/b\u003e AlphaONE \/ AquaBead \/ AlphaNANO filter with 2 HP agitator · Artesian2 low-RPM pump with cord · NishikigoiUV-H80 80 W amalgam UV (316 SS) · all unions and plumbing, media loaded. Starting 6\/1\/26 all KoiKeeper systems ship with the H80 UV (a higher-output unit than earlier photos show).\u003c\/div\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/products\/gc-tek-wattmizer-plus-system\"\u003eWattMizer PLUS (adds prefilter option)\u003c\/a\u003e\u003ca href=\"\/products\/gc-tek-wattmizer-plus-pro-system\"\u003ePLUS PRO (dual prefilters)\u003c\/a\u003e\u003ca href=\"\/collections\/gc-tek-systems\"\u003eAll GC Tek systems\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eOrdering \u0026amp; delivery\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long until it ships?\u003c\/summary\u003e\u003cp\u003eMost GC Tek filters and systems are assembled to order in Chandler, Oklahoma. Typical lead time is about 3 weeks from order to ship, then transit time. Parts and media we stock ship from Upland, CA within a day or two.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy no freight at checkout?\u003c\/summary\u003e\u003cp\u003eFreight for a pressure filter or pre-plumbed system depends on your address, liftgate needs and residential vs. commercial delivery. Charging a flat guess would overcharge some customers and undercharge others, so we quote it to the dollar and confirm with you before shipping.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I pick it up instead?\u003c\/summary\u003e\u003cp\u003eYes — pick up free at Mystic Koi \u0026amp; Water Gardens in Upland, CA. Choose local pickup at checkout or tell us in the order notes and we'll skip freight entirely.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWho handles the warranty?\u003c\/summary\u003e\u003cp\u003eWe do. As an authorized GC Tek dealer we process warranty and parts through the factory for you — no shipping the tank back across the country.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"brand\"\u003e\n\u003cp\u003e\u003cspan class=\"tag\"\u003eGC Tek\u003c\/span\u003e\u003cbr\u003eGrand Champion Technologies · Chandler, Oklahoma · pond filtration built in the USA\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMystic Koi \u0026amp; Water Gardens\u003c\/b\u003e — authorized GC Tek dealer, Upland, California.\u003cbr\u003eQuestions on sizing? Call the shop and talk to someone who runs these filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GC Tek","offers":[{"title":"AlphaONE \/ 2.5K — up to 2,500 gal","offer_id":34474632446101,"sku":"KK2.5K-AO","price":4072.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 5K — up to 5,000 gal","offer_id":34474632478869,"sku":"KK5K-AO","price":4534.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 10K — up to 10,000 gal","offer_id":34474632511637,"sku":"KK10K-AO","price":4899.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 2.5K — up to 2,500 gal","offer_id":34474632544405,"sku":"KK2.5K-AB","price":4072.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 5K — up to 5,000 gal","offer_id":34474632577173,"sku":"KK5K-AB","price":4534.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 10K — up to 10,000 gal","offer_id":34474632609941,"sku":"KK10K-AB","price":4899.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 2.5K — up to 2,500 gal","offer_id":47994785530005,"sku":"KK2.5K-AN","price":4072.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 5K — up to 5,000 gal","offer_id":47994785562773,"sku":"KK5K-AN","price":4534.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 10K — up to 10,000 gal","offer_id":47994785595541,"sku":"KK10K-AN","price":4899.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/4961\/9245\/products\/10.0Koikeeper_large_061a9153-012e-4ac8-9841-be7dbe0d6782.jpg?v=1590779501"},{"product_id":"gc-tek-x2-pressure-filter","title":"GC Tek X2 Pressure Filter (formerly Medusa)","description":"\u003cstyle\u003e\n.gct{--ink:#e7ecf1;--mut:#9fb0bf;--bg:#111417;--bg2:#1a1f24;--line:#2b333b;--aq:#22c1dc;--or:#ff7a1a;--ok:#3ddc97;font-family:Inter,-apple-system,Segoe 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details{border-bottom:1px solid var(--line);padding:10px 0}.gct .faq summary{cursor:pointer;color:#fff;font-weight:600;font-size:15px}.gct .faq p{font-size:14px;color:var(--mut);margin:8px 0 0}\n.gct .links a{display:inline-block;background:#0c1e24;border:1px solid #1f4a55;color:var(--aq);text-decoration:none;border-radius:999px;padding:7px 14px;font-size:13px;margin:0 8px 8px 0;font-weight:600}.gct .links a:hover{background:#123540}\n.gct .brand{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}.gct .brand p{margin:0;font-size:13px;color:var(--mut)}.gct .brand b{color:#fff}.gct .brand .tag{color:var(--aq);font-family:'Barlow Condensed','Saira Condensed',sans-serif;font-size:22px;font-weight:700}\n@media(max-width:860px){.gct .feat{grid-template-columns:repeat(2,1fr)}.gct .trust{grid-template-columns:1fr}.gct .two{grid-template-columns:1fr}.gct h2{font-size:26px}.gct{padding:20px 16px}}\n\u003c\/style\u003e\u003cdiv class=\"gct\"\u003e\n\u003cdiv class=\"bto\"\u003e\n\u003csvg width=\"26\" height=\"26\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffb070\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 7h11v9H3zM14 10h4l3 3v3h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"7\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003cdiv\u003e\n\u003cb\u003eBuilt to order · ships in about 3 weeks · freight delivery\u003c\/b\u003e\u003cp\u003eGC Tek assembles this unit at the factory after you order — allow roughly 3 weeks before it ships. It travels by LTL freight; \u003cstrong\u003eno freight is charged at checkout\u003c\/strong\u003e. We quote the freight to your address and confirm it with you before anything ships. Local pickup in Upland, CA is always free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"eyebrow\"\u003eGC Tek X2 · formerly the Medusa · 6.0 and 10.0 cu ft\u003c\/p\u003e\n\u003ch2\u003eTwo pumps, one filter, no restriction\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eThe X2 doubles everything — two inlets, two outlets, doubled internals — so two energy-efficient pumps can feed one tank. Filter a 20,000–30,000 gallon pond on a total of about 5 amps. GC Tek redesigned the popular Medusa with the same low-restriction internals as the regular AlphaONE and AquaBead, gave it two sizes and several valve options, and renamed it.\u003c\/p\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eAuthorized GC Tek dealer\u003c\/b\u003eGenuine product, factory warranty, distributor-direct.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWarranty \u0026amp; support handled here\u003c\/b\u003eWe set up, troubleshoot and handle warranty claims in-house.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFreight confirmed before it ships\u003c\/b\u003eYou approve the freight quote first — no surprises at the door.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eEverything doubled\u003c\/h3\u003e\n\u003cp\u003eTwo 2\" inlets, two 2\" outlets. Neither pump path ever narrows below 2\", so you get the flow of two filters for well under the price of two.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eBottom drain + skimmer\u003c\/h3\u003e\n\u003cp\u003eRun one pump off the bottom drain and one off the skimmer, each on its own circuit, and balance them independently.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eStandard, LH or Classic\u003c\/h3\u003e\n\u003cp\u003eStandard uses one multiport plus a set of 2\"\/2.5\" two-way valves; LH bypasses the multiport for the lowest restriction of any X2; Classic keeps a full multiport on each side.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eSame GC Tek hardware\u003c\/h3\u003e\n\u003cp\u003eOmnifuser internals, 2 HP media agitator, ALISS valve, clear lid, fiberglass tank with limited lifetime warranty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eModels\u003c\/h3\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eMedia\u003c\/th\u003e\n\u003cth\u003ePond up to\u003c\/th\u003e\n\u003cth\u003eFish load\u003c\/th\u003e\n\u003cth\u003eTank\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003ctd\u003eAlphaONE \/ AquaBead \/ AlphaNANO\u003c\/td\u003e\n\u003ctd\u003e20,000 gal\u003c\/td\u003e\n\u003ctd\u003e300 lb\u003c\/td\u003e\n\u003ctd\u003e6.0 cu ft · 30\" dia\u003c\/td\u003e\n\u003ctd\u003e$3,837.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10.0\u003c\/td\u003e\n\u003ctd\u003eAlphaONE \/ AquaBead \/ AlphaNANO\u003c\/td\u003e\n\u003ctd\u003e30,000 gal\u003c\/td\u003e\n\u003ctd\u003e500 lb\u003c\/td\u003e\n\u003ctd\u003e10.0 cu ft · 36\" dia\u003c\/td\u003e\n\u003ctd\u003e$4,549.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.0 LH\u003c\/td\u003e\n\u003ctd\u003eAlphaONE \/ AquaBead \/ AlphaNANO\u003c\/td\u003e\n\u003ctd\u003e20,000 gal\u003c\/td\u003e\n\u003ctd\u003e300 lb\u003c\/td\u003e\n\u003ctd\u003e6.0 cu ft · 30\" dia\u003c\/td\u003e\n\u003ctd\u003e$3,839.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10.0 LH\u003c\/td\u003e\n\u003ctd\u003eAlphaONE \/ AquaBead \/ AlphaNANO\u003c\/td\u003e\n\u003ctd\u003e30,000 gal\u003c\/td\u003e\n\u003ctd\u003e500 lb\u003c\/td\u003e\n\u003ctd\u003e10.0 cu ft · 36\" dia\u003c\/td\u003e\n\u003ctd\u003e$4,429.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10.0 Classic (dual multiport)\u003c\/td\u003e\n\u003ctd\u003eAlphaONE \/ AquaBead \/ AlphaNANO\u003c\/td\u003e\n\u003ctd\u003e30,000 gal\u003c\/td\u003e\n\u003ctd\u003e500 lb\u003c\/td\u003e\n\u003ctd\u003e10.0 cu ft · 36\" dia\u003c\/td\u003e\n\u003ctd\u003e$4,699.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cb\u003eWant it pre-plumbed?\u003c\/b\u003e The WattMizer PLUS PRO X2 system pairs this filter with two 3\/4 HP Artesian2 pumps, dual AquaSieve2 prefilters and two NishikigoiUV-HD160 amalgam UVs on all-weather pads.\u003c\/div\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/products\/gc-tek-wattmizer-plus-pro-system\"\u003eWattMizer PLUS PRO systems\u003c\/a\u003e\u003ca href=\"\/products\/gc-tek-pressure-filters\"\u003eSingle-inlet filters\u003c\/a\u003e\u003ca href=\"\/pages\/gctek\"\u003eAll GC Tek\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eOrdering \u0026amp; delivery\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long until it ships?\u003c\/summary\u003e\u003cp\u003eMost GC Tek filters and systems are assembled to order in Chandler, Oklahoma. Typical lead time is about 3 weeks from order to ship, then transit time. Parts and media we stock ship from Upland, CA within a day or two.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy no freight at checkout?\u003c\/summary\u003e\u003cp\u003eFreight for a pressure filter or pre-plumbed system depends on your address, liftgate needs and residential vs. commercial delivery. Charging a flat guess would overcharge some customers and undercharge others, so we quote it to the dollar and confirm with you before shipping.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I pick it up instead?\u003c\/summary\u003e\u003cp\u003eYes — pick up free at Mystic Koi \u0026amp; Water Gardens in Upland, CA. Choose local pickup at checkout or tell us in the order notes and we'll skip freight entirely.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWho handles the warranty?\u003c\/summary\u003e\u003cp\u003eWe do. As an authorized GC Tek dealer we process warranty and parts through the factory for you — no shipping the tank back across the country.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"brand\"\u003e\n\u003cp\u003e\u003cspan class=\"tag\"\u003eGC Tek\u003c\/span\u003e\u003cbr\u003eGrand Champion Technologies · Chandler, Oklahoma · pond filtration built in the USA\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMystic Koi \u0026amp; Water Gardens\u003c\/b\u003e — authorized GC Tek dealer, Upland, California.\u003cbr\u003eQuestions on sizing? Call the shop and talk to someone who runs these filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GC Tek","offers":[{"title":"AlphaONE \/ 6.0","offer_id":47994744209557,"sku":"AOX26.0","price":3837.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 10.0","offer_id":47994744242325,"sku":"AOX210.0","price":4549.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 6.0 LH","offer_id":47994744275093,"sku":"AOX26.0LH","price":3839.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 10.0 LH","offer_id":47994744307861,"sku":"AOX210.0LH","price":4429.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 10.0 Classic (dual multiport)","offer_id":47994744340629,"sku":"AOX210.0C","price":4699.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 6.0","offer_id":47994744373397,"sku":"ABX26.0","price":3837.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 10.0","offer_id":47994744406165,"sku":"ABX210.0","price":4549.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 6.0 LH","offer_id":47994744438933,"sku":"ABX26.0LH","price":3839.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 10.0 LH","offer_id":47994744471701,"sku":"ABX210.0LH","price":4429.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 10.0 Classic (dual multiport)","offer_id":47994744504469,"sku":"ABX210.0C","price":4699.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 6.0","offer_id":47994744537237,"sku":"ANX26.0","price":3837.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 10.0","offer_id":47994744570005,"sku":"ANX210.0","price":4549.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 6.0 LH","offer_id":47994744602773,"sku":"ANX26.0LH","price":3839.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 10.0 LH","offer_id":47994744635541,"sku":"ANX210.0LH","price":4429.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 10.0 Classic (dual multiport)","offer_id":47994744668309,"sku":"ANX210.0C","price":4699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/4961\/9245\/files\/e56d19c5-9ddd-4e25-9229-d80ecd669127_1786159676.png?v=1789423208"},{"product_id":"gc-tek-wattmizer-plus-system","title":"GC Tek WattMizer PLUS System","description":"\u003cstyle\u003e\n.gct{--ink:#e7ecf1;--mut:#9fb0bf;--bg:#111417;--bg2:#1a1f24;--line:#2b333b;--aq:#22c1dc;--or:#ff7a1a;--ok:#3ddc97;font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);border-radius:18px;padding:28px 26px;line-height:1.55}\n.gct *{box-sizing:border-box}.gct\u003e*{margin-top:0!important}.gct h2,.gct h3{font-family:'Barlow Condensed','Saira 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solid var(--line);color:var(--ink)}.gct tr:last-child td{border-bottom:0}.gct td:first-child{font-weight:700;color:#fff;white-space:nowrap}\n.gct .note{background:var(--bg2);border:1px solid var(--line);border-left:4px solid var(--aq);border-radius:10px;padding:14px 16px;margin:0 0 26px;font-size:14px;color:var(--mut)}.gct .note b{color:#fff}.gct .note.warn{border-left-color:var(--or)}\n.gct .two{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 26px}.gct .two\u003e*{margin-top:0!important}.gct .box{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px}.gct .box h3{margin:0 0 8px}.gct ul{margin:0;padding-left:18px;color:var(--mut);font-size:14px}.gct li{margin:0 0 6px}.gct li b{color:#fff}\n.gct .faq details{border-bottom:1px solid var(--line);padding:10px 0}.gct .faq summary{cursor:pointer;color:#fff;font-weight:600;font-size:15px}.gct .faq p{font-size:14px;color:var(--mut);margin:8px 0 0}\n.gct .links a{display:inline-block;background:#0c1e24;border:1px solid #1f4a55;color:var(--aq);text-decoration:none;border-radius:999px;padding:7px 14px;font-size:13px;margin:0 8px 8px 0;font-weight:600}.gct .links a:hover{background:#123540}\n.gct .brand{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}.gct .brand p{margin:0;font-size:13px;color:var(--mut)}.gct .brand b{color:#fff}.gct .brand .tag{color:var(--aq);font-family:'Barlow Condensed','Saira Condensed',sans-serif;font-size:22px;font-weight:700}\n@media(max-width:860px){.gct .feat{grid-template-columns:repeat(2,1fr)}.gct .trust{grid-template-columns:1fr}.gct .two{grid-template-columns:1fr}.gct h2{font-size:26px}.gct{padding:20px 16px}}\n\u003c\/style\u003e\u003cdiv class=\"gct\"\u003e\n\u003cdiv class=\"bto\"\u003e\n\u003csvg width=\"26\" height=\"26\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffb070\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 7h11v9H3zM14 10h4l3 3v3h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"7\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003cdiv\u003e\n\u003cb\u003eBuilt to order · ships in about 3 weeks · freight delivery\u003c\/b\u003e\u003cp\u003eGC Tek assembles this unit at the factory after you order — allow roughly 3 weeks before it ships. It travels by LTL freight; \u003cstrong\u003eno freight is charged at checkout\u003c\/strong\u003e. We quote the freight to your address and confirm it with you before anything ships. Local pickup in Upland, CA is always free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"eyebrow\"\u003eGC Tek WattMizer PLUS · complete system · 1.75 to 10.0 · with or without AquaSieve2\u003c\/p\u003e\n\u003ch2\u003eFiltration was never easier. Installs in minutes, not days.\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eThe PLUS system has been GC Tek's workhorse package for over 25 years: your choice of AlphaONE, AquaBead or AlphaNANO filter, an energy-efficient Artesian2 pump and a NishikigoiUV-HD160 amalgam UV, mounted and plumbed on all-weather pads with a union at every connection. Add the AquaSieve2 prefilter and the pump basket becomes something you clean every few weeks instead of every day.\u003c\/p\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eAuthorized GC Tek dealer\u003c\/b\u003eGenuine product, factory warranty, distributor-direct.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWarranty \u0026amp; support handled here\u003c\/b\u003eWe set up, troubleshoot and handle warranty claims in-house.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFreight confirmed before it ships\u003c\/b\u003eYou approve the freight quote first — no surprises at the door.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePre-plumbed at the factory\u003c\/h3\u003e\n\u003cp\u003eGC Tek physically assembles every system, marks every union, then breaks it down into boxes. You set the pads, hand-tighten the numbered unions and connect pond in\/out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eArtesian2 pumps\u003c\/h3\u003e\n\u003cp\u003ePerformance Pro external pumps custom-specced for GC Tek — quiet, energy-efficient, 3-year warranty, plenty of power for a proper backwash.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e316 stainless NishikigoiUV\u003c\/h3\u003e\n\u003cp\u003eMarine-grade 316 (not 304) stainless amalgam UV with individual ballasts, lamp indicators and an hour meter. 13,000-hour lamps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eYour filter, your media\u003c\/h3\u003e\n\u003cp\u003eChoose AlphaONE, AquaBead or AlphaNANO media in the filter. Same price either way.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eChoose your size \u0026amp; prefilter\u003c\/h3\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSystem\u003c\/th\u003e\n\u003cth\u003ePond up to\u003c\/th\u003e\n\u003cth\u003eFish load\u003c\/th\u003e\n\u003cth\u003ePump\u003c\/th\u003e\n\u003cth\u003eUV\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.75 — up to 2,500 gal · None\u003c\/td\u003e\n\u003ctd\u003e2,500 gal\u003c\/td\u003e\n\u003ctd\u003e90 lb\u003c\/td\u003e\n\u003ctd\u003e1\/4 HP Artesian2 (320 W)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$4,999.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.75 — up to 2,500 gal · AquaSieve2 prefilter\u003c\/td\u003e\n\u003ctd\u003e2,500 gal\u003c\/td\u003e\n\u003ctd\u003e90 lb\u003c\/td\u003e\n\u003ctd\u003e1\/4 HP Artesian2 (320 W)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$5,524.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.50 — up to 5,000 gal · None\u003c\/td\u003e\n\u003ctd\u003e5,000 gal\u003c\/td\u003e\n\u003ctd\u003e125 lb\u003c\/td\u003e\n\u003ctd\u003e1\/3 HP Artesian2 (440 W)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$5,642.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.50 — up to 5,000 gal · AquaSieve2 prefilter\u003c\/td\u003e\n\u003ctd\u003e5,000 gal\u003c\/td\u003e\n\u003ctd\u003e125 lb\u003c\/td\u003e\n\u003ctd\u003e1\/3 HP Artesian2 (440 W)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$6,164.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4.25 — up to 10,000 gal · None\u003c\/td\u003e\n\u003ctd\u003e10,000 gal\u003c\/td\u003e\n\u003ctd\u003e225 lb\u003c\/td\u003e\n\u003ctd\u003e1\/2 HP Artesian2 (630 W)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$5,744.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4.25 — up to 10,000 gal · AquaSieve2 prefilter\u003c\/td\u003e\n\u003ctd\u003e10,000 gal\u003c\/td\u003e\n\u003ctd\u003e225 lb\u003c\/td\u003e\n\u003ctd\u003e1\/2 HP Artesian2 (630 W)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$6,269.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.0 — up to 17,000 gal · None\u003c\/td\u003e\n\u003ctd\u003e17,000 gal\u003c\/td\u003e\n\u003ctd\u003e300 lb\u003c\/td\u003e\n\u003ctd\u003e3\/4 HP Artesian2 HF (9.6 A)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$6,199.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.0 — up to 17,000 gal · AquaSieve2 prefilter\u003c\/td\u003e\n\u003ctd\u003e17,000 gal\u003c\/td\u003e\n\u003ctd\u003e300 lb\u003c\/td\u003e\n\u003ctd\u003e3\/4 HP Artesian2 HF (9.6 A)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$6,724.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10.0 — up to 25,000 gal · None\u003c\/td\u003e\n\u003ctd\u003e25,000 gal\u003c\/td\u003e\n\u003ctd\u003e500 lb\u003c\/td\u003e\n\u003ctd\u003e1 HP Artesian2 HF (12.8 A)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$7,179.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10.0 — up to 25,000 gal · AquaSieve2 prefilter\u003c\/td\u003e\n\u003ctd\u003e25,000 gal\u003c\/td\u003e\n\u003ctd\u003e500 lb\u003c\/td\u003e\n\u003ctd\u003e1 HP Artesian2 HF (12.8 A)\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$7,699.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cb\u003ePads:\u003c\/b\u003e 1.75–4.25 ship on one pad; 6.0 and 10.0 on two pads totalling 48\" × 72\". Options at time of order: variable-speed pump, MultiCyclone prefilter, larger NishikigoiUV, ElekTrik control center, TheLiberator auto-backwash, bypass plumbing — call us to spec it.\u003c\/div\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/products\/gc-tek-wattmizer-plus-pro-system\"\u003ePLUS PRO (dual prefilters, 3-port valve)\u003c\/a\u003e\u003ca href=\"\/products\/koikeeper-pond-filteration-system\"\u003eKoiKeeper (simpler, cheaper)\u003c\/a\u003e\u003ca href=\"\/products\/the-liberator-auto-back-wash-cleaning-system\"\u003eTheLiberator auto-backwash\u003c\/a\u003e\u003ca href=\"\/collections\/gc-tek-systems\"\u003eAll GC Tek systems\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eOrdering \u0026amp; delivery\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long until it ships?\u003c\/summary\u003e\u003cp\u003eMost GC Tek filters and systems are assembled to order in Chandler, Oklahoma. Typical lead time is about 3 weeks from order to ship, then transit time. Parts and media we stock ship from Upland, CA within a day or two.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy no freight at checkout?\u003c\/summary\u003e\u003cp\u003eFreight for a pressure filter or pre-plumbed system depends on your address, liftgate needs and residential vs. commercial delivery. Charging a flat guess would overcharge some customers and undercharge others, so we quote it to the dollar and confirm with you before shipping.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I pick it up instead?\u003c\/summary\u003e\u003cp\u003eYes — pick up free at Mystic Koi \u0026amp; Water Gardens in Upland, CA. Choose local pickup at checkout or tell us in the order notes and we'll skip freight entirely.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWho handles the warranty?\u003c\/summary\u003e\u003cp\u003eWe do. As an authorized GC Tek dealer we process warranty and parts through the factory for you — no shipping the tank back across the country.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"brand\"\u003e\n\u003cp\u003e\u003cspan class=\"tag\"\u003eGC Tek\u003c\/span\u003e\u003cbr\u003eGrand Champion Technologies · Chandler, Oklahoma · pond filtration built in the USA\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMystic Koi \u0026amp; Water Gardens\u003c\/b\u003e — authorized GC Tek dealer, Upland, California.\u003cbr\u003eQuestions on sizing? Call the shop and talk to someone who runs these filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GC Tek","offers":[{"title":"AlphaONE \/ 1.75 — up to 2,500 gal \/ None","offer_id":47994936361109,"sku":"WPS1.75-AO","price":4999.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 1.75 — up to 2,500 gal \/ AquaSieve2 prefilter","offer_id":47994936393877,"sku":"WPS1.75AS2-AO","price":5524.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 2.50 — up to 5,000 gal \/ None","offer_id":47994936426645,"sku":"WPS2.50-AO","price":5642.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 2.50 — up to 5,000 gal \/ AquaSieve2 prefilter","offer_id":47994936459413,"sku":"WPS2.50AS2-AO","price":6164.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 4.25 — up to 10,000 gal \/ None","offer_id":47994936492181,"sku":"WPS4.25-AO","price":5744.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 4.25 — up to 10,000 gal \/ AquaSieve2 prefilter","offer_id":47994936524949,"sku":"WPS4.25AS2-AO","price":6269.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 6.0 — up to 17,000 gal \/ None","offer_id":47994936557717,"sku":"WPS6.0-AO","price":6199.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 6.0 — up to 17,000 gal \/ AquaSieve2 prefilter","offer_id":47994936590485,"sku":"WPS6.0AS2-AO","price":6724.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 10.0 — up to 25,000 gal \/ None","offer_id":47994936623253,"sku":"WPS10.0-AO","price":7179.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 10.0 — up to 25,000 gal \/ AquaSieve2 prefilter","offer_id":47994936656021,"sku":"WPS10.0AS2-AO","price":7699.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 1.75 — up to 2,500 gal \/ None","offer_id":47994936688789,"sku":"WPS1.75-AB","price":4999.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 1.75 — up to 2,500 gal \/ AquaSieve2 prefilter","offer_id":47994936721557,"sku":"WPS1.75AS2-AB","price":5524.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 2.50 — up to 5,000 gal \/ None","offer_id":47994936754325,"sku":"WPS2.50-AB","price":5642.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 2.50 — up to 5,000 gal \/ AquaSieve2 prefilter","offer_id":47994936787093,"sku":"WPS2.50AS2-AB","price":6164.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 4.25 — up to 10,000 gal \/ None","offer_id":47994936819861,"sku":"WPS4.25-AB","price":5744.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 4.25 — up to 10,000 gal \/ AquaSieve2 prefilter","offer_id":47994936852629,"sku":"WPS4.25AS2-AB","price":6269.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 6.0 — up to 17,000 gal \/ None","offer_id":47994936885397,"sku":"WPS6.0-AB","price":6199.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 6.0 — up to 17,000 gal \/ AquaSieve2 prefilter","offer_id":47994936918165,"sku":"WPS6.0AS2-AB","price":6724.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 10.0 — up to 25,000 gal \/ None","offer_id":47994936950933,"sku":"WPS10.0-AB","price":7179.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 10.0 — up to 25,000 gal \/ AquaSieve2 prefilter","offer_id":47994936983701,"sku":"WPS10.0AS2-AB","price":7699.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 1.75 — up to 2,500 gal \/ None","offer_id":47994937016469,"sku":"WPS1.75-AN","price":4999.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 1.75 — up to 2,500 gal \/ AquaSieve2 prefilter","offer_id":47994937049237,"sku":"WPS1.75AS2-AN","price":5524.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 2.50 — up to 5,000 gal \/ None","offer_id":47994937082005,"sku":"WPS2.50-AN","price":5642.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 2.50 — up to 5,000 gal \/ AquaSieve2 prefilter","offer_id":47994937114773,"sku":"WPS2.50AS2-AN","price":6164.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 4.25 — up to 10,000 gal \/ None","offer_id":47994937147541,"sku":"WPS4.25-AN","price":5744.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 4.25 — up to 10,000 gal \/ AquaSieve2 prefilter","offer_id":47994937180309,"sku":"WPS4.25AS2-AN","price":6269.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 6.0 — up to 17,000 gal \/ None","offer_id":47994937213077,"sku":"WPS6.0-AN","price":6199.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 6.0 — up to 17,000 gal \/ AquaSieve2 prefilter","offer_id":47994937245845,"sku":"WPS6.0AS2-AN","price":6724.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 10.0 — up to 25,000 gal \/ None","offer_id":47994937278613,"sku":"WPS10.0-AN","price":7179.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 10.0 — up to 25,000 gal \/ AquaSieve2 prefilter","offer_id":47994937311381,"sku":"WPS10.0AS2-AN","price":7699.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/4961\/9245\/files\/img-0582_1785012027.webp?v=1789423747"},{"product_id":"gc-tek-wattmizer-plus-pro-system","title":"GC Tek WattMizer PLUS PRO System","description":"\u003cstyle\u003e\n.gct{--ink:#e7ecf1;--mut:#9fb0bf;--bg:#111417;--bg2:#1a1f24;--line:#2b333b;--aq:#22c1dc;--or:#ff7a1a;--ok:#3ddc97;font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);border-radius:18px;padding:28px 26px;line-height:1.55}\n.gct *{box-sizing:border-box}.gct\u003e*{margin-top:0!important}.gct h2,.gct h3{font-family:'Barlow Condensed','Saira Condensed',Inter,sans-serif!important;text-transform:none!important;letter-spacing:.01em;color:#fff!important;line-height:1.1;margin:0}\n.gct h2{font-size:32px;font-weight:700}.gct h3{font-size:20px;font-weight:700}.gct p{margin:0 0 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.brand{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;margin-top:6px}.gct .brand p{margin:0;font-size:13px;color:var(--mut)}.gct .brand b{color:#fff}.gct .brand .tag{color:var(--aq);font-family:'Barlow Condensed','Saira Condensed',sans-serif;font-size:22px;font-weight:700}\n@media(max-width:860px){.gct .feat{grid-template-columns:repeat(2,1fr)}.gct .trust{grid-template-columns:1fr}.gct .two{grid-template-columns:1fr}.gct h2{font-size:26px}.gct{padding:20px 16px}}\n\u003c\/style\u003e\u003cdiv class=\"gct\"\u003e\n\u003cdiv class=\"bto\"\u003e\n\u003csvg width=\"26\" height=\"26\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffb070\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M3 7h11v9H3zM14 10h4l3 3v3h-7z\"\u003e\u003c\/path\u003e\u003ccircle cx=\"7\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"17\" cy=\"18\" r=\"2\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003cdiv\u003e\n\u003cb\u003eBuilt to order · ships in about 3 weeks · freight delivery\u003c\/b\u003e\u003cp\u003eGC Tek assembles this unit at the factory after you order — allow roughly 3 weeks before it ships. It travels by LTL freight; \u003cstrong\u003eno freight is charged at checkout\u003c\/strong\u003e. We quote the freight to your address and confirm it with you before anything ships. Local pickup in Upland, CA is always free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"eyebrow\"\u003eGC Tek WattMizer PLUS PRO · complete system · dual AquaSieve2 · 1.75 to X2 10.0\u003c\/p\u003e\n\u003ch2\u003eThe easiest system on the market to live with\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eAbout five minutes a week: empty the two AquaSieve2 baskets and backwash. One prefilter takes the bottom drain, the other takes the skimmer, and a 3-port valve lets you balance them by turning a handle. From there water runs through the Artesian2 pump, your AlphaONE \/ AquaBead \/ AlphaNANO filter and the NishikigoiUV-HD160 amalgam UV back to the pond. Everything is plumbed on 48\" × 72\" all-weather pads, unions at every joint, numbered for a one-person setup.\u003c\/p\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eAuthorized GC Tek dealer\u003c\/b\u003eGenuine product, factory warranty, distributor-direct.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWarranty \u0026amp; support handled here\u003c\/b\u003eWe set up, troubleshoot and handle warranty claims in-house.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFreight confirmed before it ships\u003c\/b\u003eYou approve the freight quote first — no surprises at the door.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eDual AquaSieve2 prefilters\u003c\/h3\u003e\n\u003cp\u003eBottom drain and skimmer each get their own solids separator; a 3-port valve balances the two.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePre-plumbed at the factory\u003c\/h3\u003e\n\u003cp\u003eGC Tek physically assembles every system, marks every union, then breaks it down into boxes. You set the pads, hand-tighten the numbered unions and connect pond in\/out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e316 stainless NishikigoiUV\u003c\/h3\u003e\n\u003cp\u003eMarine-grade 316 (not 304) stainless amalgam UV with individual ballasts, lamp indicators and an hour meter. 13,000-hour lamps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eX2 for 30,000 gal\u003c\/h3\u003e\n\u003cp\u003eThe PLUS PRO X2 runs two 3\/4 HP Artesian2 pumps and two HD160 UVs on one X2 10.0 filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eChoose your size\u003c\/h3\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSystem\u003c\/th\u003e\n\u003cth\u003ePond up to\u003c\/th\u003e\n\u003cth\u003eFish load\u003c\/th\u003e\n\u003cth\u003ePump\u003c\/th\u003e\n\u003cth\u003eUV\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.75 — up to 2,500 gal\u003c\/td\u003e\n\u003ctd\u003e2,500 gal\u003c\/td\u003e\n\u003ctd\u003e90 lb\u003c\/td\u003e\n\u003ctd\u003e1\/2 HP custom low-amp Artesian2\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$6,241.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.50 — up to 5,000 gal\u003c\/td\u003e\n\u003ctd\u003e5,000 gal\u003c\/td\u003e\n\u003ctd\u003e125 lb\u003c\/td\u003e\n\u003ctd\u003e1\/2 HP custom low-amp Artesian2\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$6,839.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4.25 — up to 10,000 gal\u003c\/td\u003e\n\u003ctd\u003e10,000 gal\u003c\/td\u003e\n\u003ctd\u003e225 lb\u003c\/td\u003e\n\u003ctd\u003e1\/2 HP Artesian2 HF\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$6,952.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.0 — up to 17,000 gal\u003c\/td\u003e\n\u003ctd\u003e17,000 gal\u003c\/td\u003e\n\u003ctd\u003e300 lb\u003c\/td\u003e\n\u003ctd\u003e3\/4 HP Artesian2\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$7,312.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10.0 — up to 25,000 gal\u003c\/td\u003e\n\u003ctd\u003e25,000 gal\u003c\/td\u003e\n\u003ctd\u003e500 lb\u003c\/td\u003e\n\u003ctd\u003e1 HP Artesian2\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$8,319.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX2 10.0 — up to 30,000 gal\u003c\/td\u003e\n\u003ctd\u003e30,000 gal\u003c\/td\u003e\n\u003ctd\u003e500 lb\u003c\/td\u003e\n\u003ctd\u003e2 x 3\/4 HP Artesian2 + 2 UVs\u003c\/td\u003e\n\u003ctd\u003eNishikigoiUV-HD160 Amalgam\u003c\/td\u003e\n\u003ctd\u003e$11,143.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cb\u003eMake it hands-off:\u003c\/b\u003e add TheLiberator auto-backwash at time of order and the only routine job left is dumping the baskets. Add a BioMotion BioVerter for the ultimate soluble-waste treatment. Variable-speed pumps, MultiCyclone, larger UVs and the ElekTrik control center are all available — ask us.\u003c\/div\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/products\/gc-tek-wattmizer-plus-system\"\u003eWattMizer PLUS\u003c\/a\u003e\u003ca href=\"\/products\/the-liberator-auto-back-wash-cleaning-system\"\u003eTheLiberator\u003c\/a\u003e\u003ca href=\"\/products\/gc-tek-x2-pressure-filter\"\u003eX2 filter alone\u003c\/a\u003e\u003ca href=\"\/collections\/gc-tek-systems\"\u003eAll GC Tek systems\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eOrdering \u0026amp; delivery\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eHow long until it ships?\u003c\/summary\u003e\u003cp\u003eMost GC Tek filters and systems are assembled to order in Chandler, Oklahoma. Typical lead time is about 3 weeks from order to ship, then transit time. Parts and media we stock ship from Upland, CA within a day or two.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy no freight at checkout?\u003c\/summary\u003e\u003cp\u003eFreight for a pressure filter or pre-plumbed system depends on your address, liftgate needs and residential vs. commercial delivery. Charging a flat guess would overcharge some customers and undercharge others, so we quote it to the dollar and confirm with you before shipping.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I pick it up instead?\u003c\/summary\u003e\u003cp\u003eYes — pick up free at Mystic Koi \u0026amp; Water Gardens in Upland, CA. Choose local pickup at checkout or tell us in the order notes and we'll skip freight entirely.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWho handles the warranty?\u003c\/summary\u003e\u003cp\u003eWe do. As an authorized GC Tek dealer we process warranty and parts through the factory for you — no shipping the tank back across the country.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"brand\"\u003e\n\u003cp\u003e\u003cspan class=\"tag\"\u003eGC Tek\u003c\/span\u003e\u003cbr\u003eGrand Champion Technologies · Chandler, Oklahoma · pond filtration built in the USA\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMystic Koi \u0026amp; Water Gardens\u003c\/b\u003e — authorized GC Tek dealer, Upland, California.\u003cbr\u003eQuestions on sizing? Call the shop and talk to someone who runs these filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"GC Tek","offers":[{"title":"AlphaONE \/ 1.75 — up to 2,500 gal","offer_id":47995084112021,"sku":"WPP1.75-AO","price":6241.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 2.50 — up to 5,000 gal","offer_id":47995084144789,"sku":"WPP2.50-AO","price":6839.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 4.25 — up to 10,000 gal","offer_id":47995084177557,"sku":"WPP4.25-AO","price":6952.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 6.0 — up to 17,000 gal","offer_id":47995084210325,"sku":"WPP6.0-AO","price":7312.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ 10.0 — up to 25,000 gal","offer_id":47995084243093,"sku":"WPP10.0-AO","price":8319.95,"currency_code":"USD","in_stock":true},{"title":"AlphaONE \/ X2 10.0 — up to 30,000 gal","offer_id":47995084275861,"sku":"WPPX2-AO","price":11143.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 1.75 — up to 2,500 gal","offer_id":47995084308629,"sku":"WPP1.75-AB","price":6241.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 2.50 — up to 5,000 gal","offer_id":47995084341397,"sku":"WPP2.50-AB","price":6839.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 4.25 — up to 10,000 gal","offer_id":47995084374165,"sku":"WPP4.25-AB","price":6952.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 6.0 — up to 17,000 gal","offer_id":47995084406933,"sku":"WPP6.0-AB","price":7312.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ 10.0 — up to 25,000 gal","offer_id":47995084439701,"sku":"WPP10.0-AB","price":8319.95,"currency_code":"USD","in_stock":true},{"title":"AquaBead \/ X2 10.0 — up to 30,000 gal","offer_id":47995084472469,"sku":"WPPX2-AB","price":11143.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 1.75 — up to 2,500 gal","offer_id":47995084505237,"sku":"WPP1.75-AN","price":6241.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 2.50 — up to 5,000 gal","offer_id":47995084538005,"sku":"WPP2.50-AN","price":6839.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 4.25 — up to 10,000 gal","offer_id":47995084570773,"sku":"WPP4.25-AN","price":6952.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 6.0 — up to 17,000 gal","offer_id":47995084603541,"sku":"WPP6.0-AN","price":7312.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ 10.0 — up to 25,000 gal","offer_id":47995084636309,"sku":"WPP10.0-AN","price":8319.95,"currency_code":"USD","in_stock":true},{"title":"AlphaNANO \/ X2 10.0 — up to 30,000 gal","offer_id":47995084669077,"sku":"WPPX2-AN","price":11143.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/4961\/9245\/files\/img-0596_1785205476.webp?v=1789423846"}],"url":"https:\/\/mystickoi.com\/collections\/built-to-order-freight.oembed","provider":"Mystic Koi \u0026 Water Gardens","version":"1.0","type":"link"}