{"product_id":"gc-tek-nishikigoiair-air-pump","title":"GC Tek NishikigoiAIR Premium Air Pump","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 NishikigoiAIR · premium air pumps · aluminum casing\u003c\/p\u003e\n\u003ch2\u003eQuiet, durable, high-output air\u003c\/h2\u003e\n\u003cp class=\"lede\"\u003eAluminum-cased diaphragm air pumps from GC Tek's Nishikigoi line: high output, quiet running, built to sit outside by the filter pit for years. Four sizes from 30 to 160 liters per minute. Run air stones and rings, drive an ALISS life-support valve on an AlphaONE, or aerate the media in a Wakimizu shower.\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\u003eAluminum casing\u003c\/h3\u003e\n\u003cp\u003eSheds heat and shrugs off weather.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eQuiet running\u003c\/h3\u003e\n\u003cp\u003eDiaphragm design — no oil, low noise.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eSized for koi ponds\u003c\/h3\u003e\n\u003cp\u003e30 L\/min for a small pond up to 160 L\/min for a big one on multiple diffusers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eWorks with ALISS\u003c\/h3\u003e\n\u003cp\u003eKeep your AlphaONE media alive during a pump failure.\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\u003eAir output\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAIR-30\u003c\/td\u003e\n\u003ctd\u003e30 L\/min\u003c\/td\u003e\n\u003ctd\u003e18 W\u003c\/td\u003e\n\u003ctd\u003e$239.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAIR-50\u003c\/td\u003e\n\u003ctd\u003e54 L\/min\u003c\/td\u003e\n\u003ctd\u003e25 W\u003c\/td\u003e\n\u003ctd\u003e$259.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAIR-80\u003c\/td\u003e\n\u003ctd\u003e80 L\/min\u003c\/td\u003e\n\u003ctd\u003e50 W\u003c\/td\u003e\n\u003ctd\u003e$534.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAIR-120\u003c\/td\u003e\n\u003ctd\u003e160 L\/min\u003c\/td\u003e\n\u003ctd\u003e105 W\u003c\/td\u003e\n\u003ctd\u003e$749.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"note\"\u003eRule of thumb: about 1 L\/min per 100 gallons for a lightly stocked pond; double it for heavy koi loads, deep ponds, or if the pump also feeds an ALISS valve.\u003c\/div\u003e\n\u003cdiv class=\"links\"\u003e\n\u003ca href=\"\/collections\/matala\"\u003eAir diffusers \u0026amp; manifolds (Matala)\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":"AIR-30 — 30 L\/min · 18 W","offer_id":47996439953557,"sku":"NAIR-30","price":239.95,"currency_code":"USD","in_stock":true},{"title":"AIR-50 — 54 L\/min · 25 W","offer_id":47996439986325,"sku":"NAIR-50","price":259.95,"currency_code":"USD","in_stock":true},{"title":"AIR-80 — 80 L\/min · 50 W","offer_id":47996440019093,"sku":"NAIR-80","price":534.95,"currency_code":"USD","in_stock":true},{"title":"AIR-120 — 160 L\/min · 105 W","offer_id":47996440051861,"sku":"NAIR-120","price":749.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/mystickoi.com\/products\/gc-tek-nishikigoiair-air-pump","provider":"Mystic Koi \u0026 Water Gardens","version":"1.0","type":"link"}