Bacteria House Ceramic Bar

This aquarium filter media serves mechanical filtration to catch fine particles and biological filtration for raising good stuff. Premium ceramic media covered with thousands of porous tiny holes provides large surface area for bio filtration as well as filter out sparkling clear water. Aquarium media block effectively absorbs fish waste and debris, providing crystal clear water for fish to thrive. Each block measures 3″ long, approx 90 -100 grams. crack into pieces to any size needed, great for used in freshwater aquariums, planted aquariums, sumps and ponds.