- 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.
- 10Pcs / 40Pcs Bio Balls