Pssopp Aquarium Bacteria Ball Bio Filter Media Fish Tank Ceramic Filtering Balls with Fine Mesh Bags for Water Cleaning Accessories

SAFE MATERIAL: Good to use in different type of filters, encourages growth of biological colonies, more capacity than most biological filter media, reduces and controls harmful ammonia and nitrate. BIG AREA:Bio-sponge inside provides more area for growth of beneficial Bio-spiral bacteria. Many flake structure, internal porous, great for any freshwater or saltwater. FILTERATION PERFORMANCE:Aquarium Filter Bio Ball that helps clean your water naturally, beneficial to oxidation of oxygen convection exchange, and for reproductive growth of nitrifying bacteria with a huge biochemical area. BETTER PERFORMANCE:The bio ball is idea for external and pressurized filters in aquarium tank, pond filter and fish farm water treatment. PROMISING SHAPE:16mm in diameter. Packaged in mesh filter bags allowing easy cleaning, promote gas exchange and increase dissolved oxygen levels.