5.5-inch Aquarium Fish Tank High Density Filter Media Ceramic - 80pcs, for Freshwater, Saltwater, Koi Ponds & More

‌Neutral filter material：Suitable for aquarium fresh water fish tank, sea water marine fish tank, sump tank, koi pond and else Maximized Surface Area: The ceramic blocks are designed with thousands of porous tiny holes, significantly increasing the surface area for enhanced bio-filtration and ensuring sparkling clear water in your aquarium or pond Superior Raw Materials：Our filter media is expertly crafted from premium quartz infused with natural minerals, rich in essential trace elements. This unique blend promotes the proliferation of nitrifying and anaerobic bacteria, ensuring stable water quality Long-Lasting and Residue-Free：Our bio media undergoes high-temperature firing at 1000°C, ensuring durability and minimal residue. It remains intact even after extended use, providing consistent filtration performance Value-Driven 80-Pack: Each pack contains 80 durable ceramic blocks, measuring 6.2 inches long and 1.5 inches in diameter.This bulk pack offers great value, totaling 21 lbs, perfect for large tanks or multiple setups