DYMAX BLACK THIN BIO SPONGE – 2X (60CMx45CMx2.5CM)

DYMAX BLACK THIN BIO SPONGE – 2X (60CMx45CMx2.5CM)

Dymax Black Bio Sponge is made with supreme quality for both biological and mechanical filtration.  Made of non toxic material. Promotes beneficial bacteria and breaks down toxic ammonia and nitrate. Best for filtering loose particles. Suitable for freshwater and marine.