Tetratec Biological Filter Foam BF 300

Summary

• Box contents : 2 pieces
• The Tetra BF 300 filter foam is specially designed for Tetra IN 300 inner filters. It effectively filters water from the aquarium. The Tetra BF 300 filter foam allows for double filtration: Biological filtration through the colonization of bacteria that convert toxic nitrites to fish into fertilizing nitrates for plants. Mechanical filtration that removes suspended particles in aquarium water. Also recommended for saltwater aquariums.
• For freshwater and saltwater aquariums Presence of biologically active bacterial cultures in filter foam: harmful nitrites are transformed into nitrates. The spongy structure ensures good mechanical filtration: small visible particles are removed from the aquarium water.