Key features

• •❀ Material: ceramic ;Diameter of ball: 21mm; This is Breathing Bio Ball made by nano technology. The Bio Ball were Fired by high temperature.
• •❀ Great Material for the growth of nitrifying bacteria. Full of rich variety of natural elements and essential minerals and trace elements. Great help to restore the natural water quality, and provide the most suitable living environment for your fishes.
• •❀ It can effectively radiate micro-far-infrared ray, activate negative oxygen ions, promote fish metabolism, effectively kill harmful bacteria in water, and improve the dissolved oxygen content in water Ceramic Tank aquarium biochemical filter biochemicalfilter seal filter bag aquariums biological ball aquarium fishtank filter bioball
• •❀ Great material for the growth of nitrifying bacteria, great help to restore the natural water quality, and provide the most suitable living environment,Works in all aquariums, safe for all fish and corals, suitable for freshwater~ Biological Ball Pond filter Tank aquarium filter biocube bioball Ceramic aquariumsump typesoffilter aquariums fish filter bio filter under gravel filter filter aquarium fish
• •❀ Package inculded: 10Pcs/40Pcs Bio Balls......Aquarium Porous Ceramic Filter Media Net Bag Biological Ball Fish Tank