REPLACEMENT FILTER FOAM TETRA TEC BF800/1000 PLUS - £7.49

Tetratec Biological Filter Foam BF 800/1000

Use of Tetratec® BF 400/600 replacement Foam in Tetratec® Internal Filters IN 400 and IN 600 ensures that the aquarium water is filtered effectively. Biologically active bacterial cultures that transform harmful nitrite into the plant fertiliser nitrate settle in the filter foam. The foam structure also carries out physical filtration, removing visible particles from the aquarium filter. Also suitable for use in marine water aquariums.