Elevate your aquarium’s water quality with the AquaNature Biological Filter Media Ceramic Brick, an advanced filtration solution designed for both freshwater and saltwater systems. Measuring 19x7x7cm, this large ceramic brick features a highly porous hollow core design that provides an ideal surface area for beneficial nitrifying bacteria to colonise and thrive, significantly boosting biological filtration in your tank. Crafted from natural minerals including Maifan stone, pelelith, fluorspar, and kaolinite, this filter media radiates far-infrared rays that help eliminate harmful bacteria while enhancing fish health and metabolism. Its unique structure actively boosts oxygen content in the water, promotes fish immunity, and helps reduce algae and toxins, resulting in cleaner, clearer, and more stable water conditions. The long-lasting ceramic material ensures consistent, reliable performance over time, making it a cost-effective addition to any filtration setup. Simply place the brick in your filter chamber or sump to begin experiencing noticeably improved water clarity and a healthier aquatic environment for your fish and plants.