Ideal for both freshwater and saltwater use. Biological filtration. Porous surface is ideal for beneficial bacteria growth for a healthier aquatic environment. For use with different filter types: canisters and wet/dry.
Size: 1lb
Ideal for both freshwater and saltwater use. Biological filtration. Porous surface is ideal for beneficial bacteria growth for a healthier aquatic environment. For use with different filter types: canisters and wet/dry.
Size: 1lb