{"product_id":"square-sponge-filter-loaded-for-up-to-40-gallons","title":"Square Sponge Filter (Loaded, For up to 40 gallons)","description":"\u003cp\u003e\u003cstrong\u003eSquare Sponge Filter (Loaded) – Dual-Layer Sponge Media, Quiet Filtration (Up to 40 Gallon Aquariums)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"327\" data-end=\"608\"\u003eThis \u003cstrong data-start=\"332\" data-end=\"365\"\u003esquare sponge filter (loaded)\u003c\/strong\u003e is designed for aquariums \u003cstrong data-start=\"392\" data-end=\"412\"\u003eup to 40 gallons\u003c\/strong\u003e, offering strong yet gentle filtration in a compact, easy-to-place design. The square shape provides more surface area than round filters, improving both \u003cstrong data-start=\"567\" data-end=\"607\"\u003emechanical and biological filtration\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"610\" data-end=\"900\"\u003ePre-loaded with \u003cstrong data-start=\"626\" data-end=\"653\"\u003edual-layer sponge media\u003c\/strong\u003e, the outer sponge captures debris while the inner layer supports beneficial bacteria that help keep water parameters stable. Powered by an air pump (not included), this filter runs quietly and creates smooth water movement that won’t stress fish.\u003c\/p\u003e\n\u003cp data-start=\"902\" data-end=\"1160\"\u003eBecause it comes fully loaded, it’s ready to use right out of the box—just connect an airline and drop it into your tank. In my opinion, square sponge filters are a great middle ground: more filtration than small round sponges, but still simple and fry-safe.\u003c\/p\u003e\n\u003cp data-start=\"1162\" data-end=\"1182\"\u003e\u003cstrong data-start=\"1166\" data-end=\"1182\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1183\" data-end=\"1531\"\u003e\n\u003cli data-start=\"1183\" data-end=\"1238\"\u003e\n\u003cp data-start=\"1185\" data-end=\"1238\"\u003eSquare design for increased filtration surface area\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1239\" data-end=\"1286\"\u003e\n\u003cp data-start=\"1241\" data-end=\"1286\"\u003eSuitable for aquariums \u003cstrong data-start=\"1264\" data-end=\"1284\"\u003eup to 40 gallons\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1287\" data-end=\"1319\"\u003e\n\u003cp data-start=\"1289\" data-end=\"1319\"\u003ePre-loaded with filter media\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1320\" data-end=\"1387\"\u003e\n\u003cp data-start=\"1322\" data-end=\"1387\"\u003eDual-layer sponge system for mechanical + biological filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1388\" data-end=\"1441\"\u003e\n\u003cp data-start=\"1390\" data-end=\"1441\"\u003eGentle flow, safe for shrimp, fry, and small fish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1442\" data-end=\"1494\"\u003e\n\u003cp data-start=\"1444\" data-end=\"1494\"\u003eQuiet, air-powered operation (air pump required)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1495\" data-end=\"1531\"\u003e\n\u003cp data-start=\"1497\" data-end=\"1531\"\u003eEasy to remove, rinse, and reuse\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1533\" data-end=\"1550\"\u003e\u003cstrong data-start=\"1537\" data-end=\"1550\"\u003eIdeal For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1551\" data-end=\"1684\"\u003e\n\u003cli data-start=\"1551\" data-end=\"1581\"\u003e\n\u003cp data-start=\"1553\" data-end=\"1581\"\u003eCommunity freshwater tanks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1582\" data-end=\"1619\"\u003e\n\u003cp data-start=\"1584\" data-end=\"1619\"\u003eGuppy, shrimp, and breeder setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1620\" data-end=\"1653\"\u003e\n\u003cp data-start=\"1622\" data-end=\"1653\"\u003eGrow-out and quarantine tanks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1654\" data-end=\"1684\"\u003e\n\u003cp data-start=\"1656\" data-end=\"1684\"\u003eLow-flow planted aquariums\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1686\" data-end=\"1703\"\u003e \u003c\/p\u003e","brand":"BuyGuppy.com","offers":[{"title":"Default Title","offer_id":52954463371549,"sku":"sku-50885750423830","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/3462\/3261\/files\/Loadedaquariumspongefilterforupto40gallons.webp?v=1789682370","url":"https:\/\/pawlumcare.com\/products\/square-sponge-filter-loaded-for-up-to-40-gallons","provider":"Pawlum","version":"1.0","type":"link"}