Brand: Dymax
Black Bio Sponge
Size: 32cm x 12cm
Dymax black sponge is made of quality non-toxic material for both biological and mechanical filtration.
Enhances good water quality as a filter media as a site for beneficial bacteria, and efficient as a mechanical filter medium (trapping loose particles of debris).
Suitable for both freshwater and marine aquarium.
Can be washed and re-used (rinse in tank water - not tap water - to maintain its use as a biological filter)