{"product_id":"marina-air-pumps","title":"Marina Air Pumps","description":"\u003cstyle\u003e\n.apd{font-size:0.98em;line-height:1.5;}\n.apd h3{margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;}\n.apd-cross{margin:0 0 14px;}\n.apd ul{margin:6px 0;padding-left:20px;}\n.apd li{margin:4px 0;}\n.apd-feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;margin:8px 0 4px;}\n.apd-feat div{border:1px solid #ddd;border-radius:8px;padding:10px 12px;background:#fafafa;}\n.apd-feat strong{display:block;margin-bottom:2px;}\ntable.apd-cmp{border-collapse:collapse;width:100%;margin:6px 0;font-size:0.94em;}\ntable.apd-cmp th,table.apd-cmp td{border:1px solid #ddd;padding:7px 10px;text-align:left;vertical-align:top;}\ntable.apd-cmp thead th{background:#666;color:#fff;}\ntable.apd-cmp th[scope=\"row\"]{background:#f6f6f6;font-weight:600;}\n.apd-note{font-size:0.9em;color:#666;margin:4px 0 0;}\n.apd-faq summary{cursor:pointer;font-weight:600;padding:8px 0;border-bottom:1px solid #eee;}\n.apd-faq p{margin:8px 0 12px;}\n\u003c\/style\u003e\n\u003cdiv class=\"apd\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eMarina Air Pump\u003c\/strong\u003e is a quiet, reliable diaphragm pump that pushes a steady stream of air into your aquarium for rich, oxygenated water. It powers air stones, bubble walls, sponge filters, air-driven ornaments, and protein skimmers, keeping the surface moving and dissolved oxygen high for healthier fish. Safe for freshwater and saltwater, it comes in five sizes from the A50 for tanks up to 15 gallons to the A300 for tanks up to 70 gallons.\u003c\/p\u003e\n\u003cp class=\"apd-cross\"\u003ePut your pump to work with a \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/marina-long-air-stones\"\u003eMarina air stone\u003c\/a\u003e, connect it with \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquatop-at4par-premium-clear-airline-tubing-13ft\"\u003eairline tubing\u003c\/a\u003e, protect it with a \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hikari-airline-check-valves-2-pack-aquarium-air-pump\"\u003echeck valve\u003c\/a\u003e, and split one outlet to several devices with a \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/marina-air-control-valves\"\u003eMarina air control valve\u003c\/a\u003e. Browse all \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/air-pumps-accessories\"\u003eair pumps and accessories\u003c\/a\u003e at Squeaky's Aquatics.\u003c\/p\u003e\n\n\u003ch3\u003eWhy the Marina Air Pump\u003c\/h3\u003e\n\u003cdiv class=\"apd-feat\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eQuiet running\u003c\/strong\u003eA cushioned diaphragm design keeps operation low and unobtrusive next to the tank.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePowerful airflow\u003c\/strong\u003eStrong, consistent output drives air stones, bubble walls, and other air devices with ease.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBoosts oxygen\u003c\/strong\u003eMore surface agitation and gas exchange means higher dissolved oxygen for fish and beneficial bacteria.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eVersatile\u003c\/strong\u003eRuns air stones, sponge filters, decorative bubblers, under-gravel filters, and protein skimmers.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFresh or salt\u003c\/strong\u003eSuitable for all aquarium types, freshwater and saltwater.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFive sizes\u003c\/strong\u003eMatch the pump to your tank, up to 70 gallons, with single or double output.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eChoose Your Size\u003c\/h3\u003e\n\u003ctable class=\"apd-cmp\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eModel\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eOutput\u003c\/th\u003e\n\u003cth scope=\"col\"\u003ePowers tanks up to\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMarina 50\u003c\/th\u003e\n\u003ctd\u003eSingle outlet\u003c\/td\u003e\n\u003ctd\u003e15 US gal (60 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMarina 75\u003c\/th\u003e\n\u003ctd\u003eSingle outlet\u003c\/td\u003e\n\u003ctd\u003e25 US gal (100 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMarina 100\u003c\/th\u003e\n\u003ctd\u003eSingle outlet\u003c\/td\u003e\n\u003ctd\u003e40 US gal (150 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMarina 200\u003c\/th\u003e\n\u003ctd\u003eDouble outlet\u003c\/td\u003e\n\u003ctd\u003e60 US gal (225 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMarina 300\u003c\/th\u003e\n\u003ctd\u003eSingle outlet\u003c\/td\u003e\n\u003ctd\u003e70 US gal (265 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"apd-note\"\u003eTank ratings are printed on each box. The 200 has two outlets, so you can run two separate air lines from one pump; the 300 is a single, higher-output pump for the largest tanks or a single strong air line. Deeper tanks need a stronger pump to push air down, so size up if your tank is tall.\u003c\/p\u003e\n\n\u003ch3\u003eSetup and Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSet the pump on a shelf above the water line if you can. If it must sit below the water, always fit a check valve so water cannot siphon back into the pump if the power cuts out.\u003c\/li\u003e\n\u003cli\u003eConnect standard airline tubing from the pump outlet to your air stone, sponge filter, or ornament.\u003c\/li\u003e\n\u003cli\u003eTo run several devices from one outlet, add an air control valve and tune each line with its own dial.\u003c\/li\u003e\n\u003cli\u003eThe pump itself is long-lived. When bubbles weaken, first check for a clogged air stone or a kinked line before assuming the pump.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails class=\"apd-faq\"\u003e\u003csummary\u003eWhat can this pump run?\u003c\/summary\u003e\u003cp\u003eAir stones and bubble walls, sponge filters, under-gravel filters, air-driven ornaments, and protein skimmers. Any accessory that needs an air supply.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"apd-faq\"\u003e\u003csummary\u003eWhat is the difference between single and double output?\u003c\/summary\u003e\u003cp\u003eSingle-output pumps (50, 75, 100, 300) have one air outlet. The 200 has two outlets, so you can feed two separate air lines, for example an air stone at each end of the tank, without adding a splitter.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"apd-faq\"\u003e\u003csummary\u003eDo I need a check valve?\u003c\/summary\u003e\u003cp\u003eIf the pump sits at or below the water line, yes. A check valve stops water from siphoning back into the pump during a power outage, which can ruin it. It is cheap insurance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"apd-faq\"\u003e\u003csummary\u003eMarina 200 or Marina 300 for a big tank?\u003c\/summary\u003e\u003cp\u003eChoose the 200 if you want to run two independent air lines from one pump. Choose the 300 for the strongest single-line output and the largest tanks, up to 70 gallons.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"apd-faq\"\u003e\u003csummary\u003eCan I use it in saltwater?\u003c\/summary\u003e\u003cp\u003eYes. It is rated for all aquarium types and is commonly used to drive protein skimmers and air stones in saltwater setups.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Marina","offers":[{"title":"A50","offer_id":48910925037787,"sku":"11110","price":9.99,"currency_code":"USD","in_stock":true},{"title":"A75","offer_id":48910925070555,"sku":"11112","price":13.99,"currency_code":"USD","in_stock":false},{"title":"A100","offer_id":48910925103323,"sku":"M11114","price":16.99,"currency_code":"USD","in_stock":false},{"title":"A200","offer_id":48910925136091,"sku":"11116","price":24.99,"currency_code":"USD","in_stock":false},{"title":"A300","offer_id":48910925168859,"sku":"11118","price":26.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_641f8ab4-d66a-4760-a1b9-10e1e187202c.png?v=1782482569","url":"https:\/\/squeakysaquatics.com\/products\/marina-air-pumps","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}