Dotted Porous Ball (1 kg per pack)
- Great Material for the growth of nitrifying bacteria.
- The coarse porous structure makes this bio filter media with larger surface area.
- Highly absorptive to metal ions.- Stop PH from decreasing, remove ammonia and nitrite.
- Application: fish tank, aquarium, fish pond, sewage filtration
- The Bio Ball wereFired by high temperature.
- 1 kg per pack