{"product_id":"gc-tek-nishikigoiuv-horizontal","title":"GC Tek NishikigoiUV Horizontal Amalgam UV — 316 Stainless","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\u003cp class=\"eyebrow\"\u003eGC Tek NishikigoiUV · horizontal · marine-grade 316 stainless · very-high-output amalgam\u003c\/p\u003e\n\u003ch2\u003eDesigned to be the last UV you'll ever need\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eMarine-grade 316 stainless (not 304) vessel, 316 stainless electrical control box, one to six high-output amalgam lamps, and an individual electronic ballast for every lamp — so if one goes down the rest keep the pond clear. Built-in lamp indicator lights and a resettable LED hour meter tell you exactly where your 13,000-hour lamps stand (9,000 is the industry norm). Priced against the plastic units it replaces, with a lifetime warranty on the vessel.\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\u003eShips from Southern California\u003c\/b\u003eIn-stock parts \u0026amp; media ship from Upland, CA. Local pickup available.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cb\u003eNew for 2026.\u003c\/b\u003e GC Tek's Nishikigoi line — designed in Chandler, Oklahoma, built to the standard koi keepers expect from the AlphaONE. First shipments started June 2026; better model-by-model photos are on the way from GC Tek.\u003c\/div\u003e\n\u003cdiv class=\"feat\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003e316 marine-grade SS\u003c\/h3\u003e\n\u003cp\u003eVessel and control box both 316 stainless — the good kind. Lifetime vessel warranty (rubber parts excepted).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eOne ballast per lamp\u003c\/h3\u003e\n\u003cp\u003eLonger ballast life, and a single failure never darkens the whole unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eHour meter + indicators\u003c\/h3\u003e\n\u003cp\u003eResettable LED hour meter plus a light per lamp so you can see every lamp is firing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003e13,000-hour amalgam lamps\u003c\/h3\u003e\n\u003cp\u003e2–5× the output of standard UV lamps, with quartz sleeves and lamps accessible from both ends. Sch 80 unions and a big-handle drain included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sec\"\u003eChoose your model\u003c\/h3\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eLamps\u003c\/th\u003e\n\u003cth\u003eMax flow\u003c\/th\u003e\n\u003cth\u003eGuide pond size\u003c\/th\u003e\n\u003cth\u003eUnions\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eH80\u003c\/td\u003e\n\u003ctd\u003e1 × 80 W\u003c\/td\u003e\n\u003ctd\u003e4,800 gph\u003c\/td\u003e\n\u003ctd\u003e~5,000 gal\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003ctd\u003e$749.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH110\u003c\/td\u003e\n\u003ctd\u003e2 × 55 W\u003c\/td\u003e\n\u003ctd\u003e6,600 gph\u003c\/td\u003e\n\u003ctd\u003e~6,600 gal\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003ctd\u003e$1,280.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHD160\u003c\/td\u003e\n\u003ctd\u003e2 × 80 W\u003c\/td\u003e\n\u003ctd\u003e9,600 gph\u003c\/td\u003e\n\u003ctd\u003e~7,500 gal\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003ctd\u003e$1,499.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH165\u003c\/td\u003e\n\u003ctd\u003e3 × 55 W\u003c\/td\u003e\n\u003ctd\u003e9,900 gph\u003c\/td\u003e\n\u003ctd\u003e~10,000 gal\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003ctd\u003e$2,280.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH220\u003c\/td\u003e\n\u003ctd\u003e4 × 55 W\u003c\/td\u003e\n\u003ctd\u003e13,200 gph\u003c\/td\u003e\n\u003ctd\u003e~15,000 gal\u003c\/td\u003e\n\u003ctd\u003e3\"\u003c\/td\u003e\n\u003ctd\u003e$2,595.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH400\u003c\/td\u003e\n\u003ctd\u003e5 × 80 W\u003c\/td\u003e\n\u003ctd\u003e24,000 gph\u003c\/td\u003e\n\u003ctd\u003e~25,000 gal\u003c\/td\u003e\n\u003ctd\u003e3\"\u003c\/td\u003e\n\u003ctd\u003e$3,495.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH480\u003c\/td\u003e\n\u003ctd\u003e6 × 80 W\u003c\/td\u003e\n\u003ctd\u003e28,800 gph\u003c\/td\u003e\n\u003ctd\u003e~35,000 gal\u003c\/td\u003e\n\u003ctd\u003e3\"\u003c\/td\u003e\n\u003ctd\u003e$5,279.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"note warn\"\u003e\n\u003cb\u003eSize by flow, not just gallons.\u003c\/b\u003e A UV only sterilizes water that passes it slowly enough — match the unit's max gph to your pump, then check the pond guide. For stocked koi ponds we like ~20 W per 1,000 gal and about one turnover per hour; water gardens get by on ~10 W per 1,000 gal. The H80 is now standard on KoiKeeper and PondKeeper systems; the HD160 on PLUS and PLUS PRO. H-series units are in stock at GC Tek and ship promptly.\u003c\/div\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/products\/gc-tek-nishikigoiuv-vertical\"\u003eVertical NishikigoiUV\u003c\/a\u003e\u003ca href=\"\/products\/zapp-pure-ultraviolet-clarifier\"\u003eZapp Pure single-lamp UV\u003c\/a\u003e\u003ca href=\"\/collections\/gc-tek-systems\"\u003eWattMizer systems\u003c\/a\u003e\u003ca href=\"\/pages\/gctek\"\u003eAll GC Tek\u003c\/a\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":"H80 — 1 × 80 W · up to 4,800 gph","offer_id":47996436381845,"sku":"NUV-H80","price":749.95,"currency_code":"USD","in_stock":true},{"title":"H110 — 2 × 55 W · up to 6,600 gph","offer_id":47996436414613,"sku":"NUV-H110","price":1280.0,"currency_code":"USD","in_stock":true},{"title":"HD160 — 160 W · up to 9,600 gph","offer_id":47996436447381,"sku":"NUV-HD160","price":1499.95,"currency_code":"USD","in_stock":true},{"title":"H165 — 3 × 55 W · up to 9,900 gph","offer_id":47996436480149,"sku":"NUV-H165","price":2280.0,"currency_code":"USD","in_stock":true},{"title":"H220 — 4 × 55 W · up to 13,200 gph · 3\"","offer_id":47996436512917,"sku":"NUV-H220","price":2595.0,"currency_code":"USD","in_stock":true},{"title":"H400 — 5 × 80 W · up to 24,000 gph · 3\"","offer_id":47996436545685,"sku":"NUV-H400","price":3495.0,"currency_code":"USD","in_stock":true},{"title":"H480 — 6 × 80 W · up to 28,800 gph · 3\"","offer_id":47996436578453,"sku":"NUV-H480","price":5279.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0319\/4961\/9245\/files\/nishikigoiuv-h400wshad_1780862471.webp?v=1789447818","url":"https:\/\/mystickoi.com\/products\/gc-tek-nishikigoiuv-horizontal","provider":"Mystic Koi \u0026 Water Gardens","version":"1.0","type":"link"}