--- product_id: 47936919 title: "CerMedia Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch" brand: "marinepure" price: "148718CFA" currency: XOF in_stock: true reviews_count: 13 url: https://www.desertcart.sn/products/47936919-cermedia-block-bio-filter-media-for-marine-and-freshwater-aquariums store_origin: SN region: Senegal --- # Lightweight yet more effective than live rock Open-flow porosity for max water circulation 8x8x4 inch ceramic block CerMedia Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch **Brand:** marinepure **Price:** 148718CFA **Availability:** ✅ In Stock ## Summary > 🧬 Elevate your aquarium’s ecosystem with next-level bio-filtration! ## Quick Answers - **What is this?** CerMedia Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch by marinepure - **How much does it cost?** 148718CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/47936919-cermedia-block-bio-filter-media-for-marine-and-freshwater-aquariums) ## Best For - marinepure enthusiasts ## Why This Product - Trusted marinepure brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Natural & Reliable:** Made from naturally occurring pumice, ensuring safe, toxin-free water purification - • **Seamless Integration:** Perfect for sumps and large canister filters—upgrade your filtration system without hassle - • **Maximize Aquarium Clarity:** Vast surface area accelerates beneficial bacteria growth for crystal-clear water - • **Effortless Nitrate Control:** Specifically engineered to reduce nitrates, ammonia, and nitrites—keep your tank pristine - • **Light as a Feather, Tough as Rock:** Inert ceramic block is lighter than live rock but packs a powerful filtration punch ## Overview The MarinePure CerMedia Block is an 8x8x4 inch inert ceramic bio-filter media designed for marine and freshwater aquariums. Its open-flow porosity and vast surface area promote rapid beneficial bacteria colonization, effectively reducing nitrates, ammonia, and nitrites. Lighter and more efficient than traditional live rock, it fits seamlessly into sumps and large canister filters, ensuring superior water quality and a healthier aquatic environment. ## Description Product Description Ceramic Bio-Filter Media with Vast Surface Area AND Open-Flow Porosity. Designed to improve upon deep sand beds or live rock to lower nitrates in marine & freshwater aquariums. Will also remove ammonia & nitrites. Use in sumps or in extra large filters.The product is from a naturally occurring pumice that can range in colors from white to light brown. A light film developing on the media is one of the keys to it working and is perfectly.Specifically designed to target ammonia and nitrite removal and minimizes nitratesnormal.Used in canister filters.Specifically designed to target ammonia and nitrite removal and minimizes nitrates Directions Use this ceramic bio-filter media in sumps or extra large filters in marine and freshwater aquariums to improve water quality by reducing nitrates, ammonia, and nitrites. ## Features - Ceramic Bio-filter Media with Vast Surface Area AND Open-Flow Porosity - Nitrate Reduction - Ammonia and Nitrate Removal - Lighter and more effective than Live Rock - Inert Ceramic ## Technical Specifications | Specification | Value | |---------------|-------| | Allergen Information | Nut Free | | Asin | B00HYUY35W | | Best Sellers Rank | 37,348 in Pet Supplies (See Top 100 in Pet Supplies) 1,163 in Aquarium Pumps & Filters | | Brand Name | MarinePure | | Country Of Origin | United Kingdom | | Customer Reviews | 4.5 4.5 out of 5 stars (1,359) 4.5 out of 5 stars | | Global Trade Identification Number | 00857246002035 | | Included Components | All | | Item Form | Granules | | Item Type Name | filter media | | Manufacturer | CerMedia MarinePure | | Manufacturer Part Number | 900501 | | Model Number | 8" x 8" x 4" Block | | Number Of Items | 1 | | Number Of Packs | 1 | | Pet Type | Fish | | Target Species | Fish | | Unit Count | 1 count | | Upc | 857246002035 | ## Product Details - **Brand:** MarinePure - **Global Trade Identification Number:** 00857246002035 - **Item form:** Granules - **Manufacturer:** CerMedia MarinePure - **UPC:** 857246002035 ## Images ![CerMedia Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch - Image 1](https://m.media-amazon.com/images/I/91jjpWZFG4L.jpg) ## Available Options This product comes in different **Colour Name, Size Name** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Thank you for good services *by on Reviewed in the United Kingdom 22 March 2024* Good price, the product was well packaged, I was satisfied with their service ### ⭐⭐⭐⭐⭐ Fantastic product *by on Reviewed in the United Kingdom 23 April 2023* Excellent ### ⭐⭐⭐⭐⭐ Recommend for small tanks *by on Reviewed in the United Kingdom 21 July 2016* Does exactly what it says on the tin. Recommend for small tanks. Arrived very quickly. Excelllent seller ## Frequently Bought Together - CerMedia MarinePure Block Bio-Filter Media for Marine and Freshwater Aquariums, 8 by 8 by 4-Inch - CerMedia MarinePure 1.5-Inch Sphere Bio-Filter Media for Marine and Freshwater Aquariums, 2-Quart --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/47936919-cermedia-block-bio-filter-media-for-marine-and-freshwater-aquariums](https://www.desertcart.sn/products/47936919-cermedia-block-bio-filter-media-for-marine-and-freshwater-aquariums) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-08-17*