{"product_id":"kucbraly-aquarium-filter-cartridges-12-pack-for-tetra-whisper-bio-bag-repto-filter","title":"Kucbraly Aquarium Filter Cartridges | 12-Pack for Tetra Whisper Bio-Bag \u0026 Repto Filter","description":"\u003ch2\u003eEffortless, dependable filtration for busy tanks\u003c\/h2\u003e\n\u003cp\u003eMeet Kucbraly’s 12-pack of large replacement cartridges, designed to fit Tetra Whisper Bio-Bag power filters and Repto Filter systems up to 50 gallons. These cartridges come ready to use with activated carbon and a robust mesh, offering a straightforward swap that minimizes downtime and helps your tank look its best. Picture clear water, pristine glass, and calm filtration as a natural byproduct of consistent, quality media.\u003c\/p\u003e\n\u003ch3\u003eCompatibility you can rely on\u003c\/h3\u003e\n\u003cp\u003eThe large cartridges are built to work with Tetra Whisper Bio-Bag 20i\/40i, IQ20\/30\/45\/60, PF20\/PF30\/PF40\/PF60, and Fauna Repto Filter setups. For a 50-gallon system, you can expect effective flow around 125 GPH, giving you a balance of clean water and steady circulation.\u003c\/p\u003e\n\u003ch3\u003eWhat makes these cartridges stand out\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUltra-activated carbon targets odors and discoloration while adsorbing impurities from the water path.\u003c\/li\u003e\n  \u003cli\u003eDense double-sided mesh captures debris and waste, helping the tank look clearer over time.\u003c\/li\u003e\n  \u003cli\u003eAlready assembled and ready to use—simply rinse briefly to remove carbon dust, align the bottom key slot, and insert.\u003c\/li\u003e\n  \u003cli\u003eColor-coded packaging helps you quickly identify the right size, reducing restocking guesswork.\u003c\/li\u003e\n  \u003cli\u003eQuiet operation supports a peaceful tank environment; regular replacement helps maintain ongoing water quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEasy installation and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRinse under cool water before first use to wash away carbon dust.\u003c\/li\u003e\n  \u003cli\u003eReplace every 2–4 weeks depending on tank load and conditions.\u003c\/li\u003e\n  \u003cli\u003eAvoid overloading the filter by choosing the correct cartridge size for your unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you might notice in your tank\u003c\/h3\u003e\n\u003cp\u003eIn real-world setups, users often see clearer viewing panels and steadier water conditions as media works with the filter. These cartridges are designed to support reliable filtration without guaranteeing specific outcomes, and they pair with calm, quiet operation for a more enjoyable aquarium experience.\u003c\/p\u003e\n\u003ch3\u003eInside the package\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e12 large filter cartridges\u003c\/li\u003e\n  \u003cli\u003eColor-coded packaging for quick size identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these cartridges compatible with Tetra Whisper Bio-Bag filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—these cartridges fit Whisper 20i\/40i, IQ series, PF20\/30\/40\/60, and Fauna Repto Filter units.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically every 2–4 weeks, depending on tank size and bio-load.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Kucbraly","offers":[{"title":"Default Title","offer_id":53553457135945,"sku":"B0C2Z6WBQW","price":42.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/kucbraly-aquarium-filter-cartridge-12pack.jpg?v=1766308248","url":"https:\/\/petvita.co.uk\/products\/kucbraly-aquarium-filter-cartridges-12-pack-for-tetra-whisper-bio-bag-repto-filter","provider":"Petvita","version":"1.0","type":"link"}