Matala Hakko Air Pump
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The backbone of pond and lake aeration, driving diffusers that oxygenate the whole water column for healthier fish and cleaner water. In stock — ships from Southern CaliforniaOil-free · overload protectedRebuildable wear partsAuthorized Matala retailer Oxygen first Oxygen is the #1 limiting factor for pond health. Bottom aeration circulates and oxygenates from the floor up. Quiet & efficient Low-wattage linear motors run cool and quiet, 24/7, for years. Rebuildable Diaphragms and magnets are replaceable — refresh the pump instead of replacing it. Choose your model Model Air (LPM) Watts Noise Pond up to HK-25 / 25LP 37 24 32-36 dB 2,500 gal HK-40 70 38 39 dB 4,000 gal HK-60 94 61 38 dB 6,000 gal HK-80LH 119 82 38 dB 8,000 gal HK-100L 129 110 40 dB 10,000 gal HK-120LH 172 130 42 dB 12,000 gal HK-150 238 145 52 dB 16,000 gal HK-200 284 160 54 dB 20,000 gal Install it right Mount the pump at least 2 inches above water level in a dry, ventilated spot — a flooded pump voids the warranty (don't rely on a check valve alone). Pair with weighted hose and a self-weighted diffuser, or buy the matched MEA Pro kit. Keep it running. Diaphragm & magnet rebuild kits and filter pads. Shop Hakko Parts → Oil-freeOverload protectionQuiet operationLong service lifeRebuildable Think Progressive · Think Matala Build a full aeration system — pumps, diffusers, manifolds & weighted hose. Explore the Matala range → .ag{--teal:#0E7C93;--teal-d:#0A5E70;--green:#5AA642;--ink:#16323B;--inks:#4C636C;--muted:#7E919A;--wash:#F4F8FA;--card:#fff;--line:#E2EBEF;--shadow:0 10px 30px rgba(14,60,72,.08);font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);line-height:1.6;max-width:1180px;margin:22px auto 0}.ag *{box-sizing:border-box}.ag .band{background:linear-gradient(135deg,#0A5E70,#0E7C93 45%,#3E8F5A);color:#fff;border-radius:18px;padding:28px 32px;margin-bottom:16px}.ag .ey{font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:#BFEAD3}.ag .band h3{font-size:26px;font-weight:800;margin:8px 0 8px;color:#fff}.ag .band p{color:#E6F4F7;max-width:60ch;font-size:15px}.ag .grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:16px}@media(max-width:820px){.ag .grid{grid-template-columns:1fr}}.ag .panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}.ag .panel h4{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700;margin:0 0 14px}.ag label{display:block;font-size:14px;font-weight:700;margin:0 0 6px;color:var(--ink)}.ag .hint{font-size:12px;color:var(--muted);font-weight:400}.ag input[type=number],.ag select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:16px;margin-bottom:6px;background:#fff;color:var(--ink)}.ag input[type=range]{width:100%;margin:6px 0 18px;accent-color:var(--teal)}.ag .reco-model{font-size:1.7rem;font-weight:800;color:var(--teal-d);margin:2px 0}.ag .reco-sub{color:var(--muted);font-size:14px;margin-bottom:14px}.ag .spec-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}.ag .spec-row span:first-child{color:var(--inks)}.ag .spec-row b{color:var(--teal-d)}.ag .opts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 4px}.ag .opt{background:var(--wash);border:1px solid var(--line);border-radius:12px;padding:12px 10px;text-align:center}.ag .opt .n{font-size:1.4rem;font-weight:800;color:var(--teal)}.ag .opt .l{font-size:12px;color:var(--inks);margin-top:2px}.ag .note{background:var(--wash);border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:10px;padding:12px 15px;font-size:14px;margin-top:12px}.ag .note.warn{border-left-color:#C0432A}.ag .note a{color:var(--teal);font-weight:700;text-decoration:none}.ag .disc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-top:16px;font-size:12.5px;color:var(--inks)}.ag .disc b{color:var(--ink)} Mystic Koi · Aeration Guide Which Hakko fits my pond? Tell us your pond size and depth and we'll match a pump, how many diffusers it can run, and the right hose — our recommendation, not the maker's fine print. Your pond Pond volume (gallons)Longest run from pump to water (feet of hose)Pond depth (feet, deepest point)Diffuser styleRecommend for me 5" weighted disc (fine bubbles) 7" weighted disc 9" air disc (high flow) Mystic Koi's recommendation. These are our general guidelines to help you choose. Every pond is different — aeration needs vary with depth, fish load, temperature and layout, so treat these as a starting point, not a guarantee. Want us to dial it in? Call (909) 920-3767 and we'll help. (function(){var root=document.querySelectorAll('.ag');root=root[root.length-1];if(!root)return;var PUMPS=[{m:"Hakko HK-25",h:"hakko-air-pump",lpm:32,cfm:1.1,w:24,min:1000,max:2500,depth:6,hose:'3/8\"',d5:"1",d7:"1",d9:"1"},{m:"Hakko HK-40",h:"hakko-air-pump",lpm:70,cfm:2.5,w:38,min:2000,max:4000,depth:7,hose:'3/8\"',d5:"2",d7:"1",d9:"1"},{m:"Hakko HK-60",h:"hakko-air-pump",lpm:82,cfm:2.9,w:61,min:3000,max:6000,depth:8,hose:'1/2\"',d5:"2–3",d7:"2",d9:"1–2"},{m:"Hakko HK-80LH",h:"hakko-air-pump",lpm:100,cfm:3.5,w:82,min:4000,max:8000,depth:10,hose:'5/8\"',d5:"3–5",d7:"2–3",d9:"1–2"},{m:"Hakko HK-100L",h:"hakko-air-pump",lpm:119,cfm:4.2,w:110,min:5000,max:10000,depth:10,hose:'1\"',d5:"4–6",d7:"3–4",d9:"2–3"},{m:"Hakko HK-120LH",h:"hakko-air-pump",lpm:137,cfm:4.8,w:130,min:6000,max:12000,depth:10,hose:'1\"',d5:"5–6",d7:"3–4",d9:"2–3"},{m:"Hakko HK-150",h:"hakko-air-pump",lpm:220,cfm:7.8,w:145,min:8000,max:16000,depth:12,hose:'1\"',d5:"7–10",d7:"4–6",d9:"2–4"},{m:"Hakko HK-200",h:"hakko-air-pump",lpm:335,cfm:11.8,w:160,min:10000,max:20000,depth:14,hose:'1\"',d5:"9–15",d7:"5–8",d9:"3–6"}];var gal=root.querySelector('#ag-gal'),galR=root.querySelector('#ag-galR'),run=root.querySelector('#ag-run'),depth=root.querySelector('#ag-depth'),diff=root.querySelector('#ag-diff'),result=root.querySelector('#ag-result');function pickVol(g){for(var i=0;i=g)return PUMPS[i];}return PUMPS[PUMPS.length-1];}function pick(g,d){for(var i=0;i=g&&PUMPS[i].depth>=d)return{p:PUMPS[i],over:false};}return{p:PUMPS[PUMPS.length-1],over:true};}function render(){var g=Math.max(0,+gal.value||0),r=+run.value||0,d=+depth.value||0,ds=diff.value;var volPick=pickVol(g),sel=pick(g,d),p=sel.p;var depthBumped=p.m!==volPick.m&&p.depth>=d&&volPick.depth'+o[2]+''+o[1]+'';}).join('');var depthNote=depthBumped?'Sized up for depth. At '+d+' ft, a smaller pump would strain to push air to the bottom — the '+p.m+' has the muscle to reach your depth.':'';var diffDepthNote=d>=8?'Deep pond ('+d+' ft). Self-weighted discs are rated for about 8 ft — beyond that we\'ll set you up with a deep-water diffuser. Give us a call.':'';var runNote=r>50?'Long hose run ('+r+' ft). Over ~50 ft, step up one hose size (or add a manifold) to keep pressure up.':'';var overNote=sel.over?'Big or deep pond. Past what a single pump comfortably handles — we usually run more than one pump or a larger blower. Let\'s talk it through.':'';var manifold='Running more than one diffuser? Add a brass air manifold to split one pump across several lines.';result.innerHTML='Our recommendation'+p.m+'for a ~'+g.toLocaleString()+' gallon pond, '+d+' ft deepAir output'+p.lpm+' LPM · '+p.cfm+' cfmPower'+p.w+' wattsSuggested pond size'+p.min.toLocaleString()+'–'+p.max.toLocaleString()+' galComfortable to a depth of~'+p.depth+' ftRecommended air hose'+p.hose+' (single line)Diffusers this pump can run:'+diffCards+''+depthNote+diffDepthNote+runNote+overNote+manifold;}[gal,run,depth,diff].forEach(function(el){el.addEventListener('input',function(){if(el===gal){galR.value=Math.min(24000,Math.max(500,gal.value||500));}render();});});galR.addEventListener('input',function(){gal.value=galR.value;render();});render();})();
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