{"product_id":"aquarium-co-op-sponge-filter","title":"Aquarium Co-Op Sponge Filter","description":"\u003cp data-start=\"0\" data-end=\"560\"\u003eSponge filters are a simple, dependable filtration option that’s easy to maintain. Since there are no motorized parts, setup only requires an air pump and airline tubing, keeping everything compact inside the aquarium. These filters are reusable, cartridge-free, and built to last for years with proper care. Their gentle flow makes them ideal for bettas, shrimp, fry, and other delicate or slow-swimming fish. Commonly used by breeders, fish farms, and aquarium wholesalers, sponge filters are a low-maintenance solution you can install and rely on long term.\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"560\"\u003e\u003cstrong\u003eSizing Guide\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"560\"\u003eNano: 5 Gallons and up\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"560\"\u003eSmall: 10 Gallons and up\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"560\"\u003eMedium: 20 Gallons and up\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"560\"\u003eLarge: 40 Gallons and up\u003c\/p\u003e\n\u003ch3 data-section-id=\"is7km4\" data-start=\"984\" data-end=\"1017\"\u003eAdditional Equipment Required\u003c\/h3\u003e\n\u003cp data-start=\"1018\" data-end=\"1094\"\u003eThe sponge filter requires an external air source to operate. You will need:\u003c\/p\u003e\n\u003cul data-start=\"1096\" data-end=\"1203\"\u003e\n\u003cli data-section-id=\"1rx57ka\" data-start=\"1096\" data-end=\"1108\"\u003eAir pump\u003c\/li\u003e\n\u003cli data-section-id=\"12wunen\" data-start=\"1109\" data-end=\"1127\"\u003eAirline tubing\u003c\/li\u003e\n\u003cli data-section-id=\"7gglif\" data-start=\"1128\" data-end=\"1203\"\u003eCheck valve (helps prevent water from siphoning out during power outages)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1205\" data-end=\"1295\"\u003e\u003cstrong data-start=\"1205\" data-end=\"1219\"\u003ePore Size:\u003c\/strong\u003e 25 PPI\u003cbr data-start=\"1226\" data-end=\"1229\"\u003e(Actual porosity ratings can vary slightly between manufacturers.)\u003c\/p\u003e","brand":"CK Fishworld","offers":[{"title":"Nano","offer_id":48631572857047,"sku":null,"price":10.98,"currency_code":"USD","in_stock":true},{"title":"Small","offer_id":48631572889815,"sku":null,"price":11.98,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":48631572922583,"sku":null,"price":13.98,"currency_code":"USD","in_stock":true},{"title":"Large","offer_id":48631572955351,"sku":null,"price":15.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3308\/0791\/files\/Screenshot2026-05-16162319.png?v=1778973851","url":"https:\/\/ckfishworld.com\/products\/aquarium-co-op-sponge-filter","provider":"CK Fishworld","version":"1.0","type":"link"}