The Tetra® Activated Carbon Filter CF 400/600 plus reliably removes harmful substances, medicinal products and other unwanted chemicals from the aquarium water.

• reduces unpleasant odours
• ensures clear water (...)

The Tetra® Activated Carbon Foam CF 800/1000 plus reliably removes harmful substances, medicinal products and other unwanted chemicals from the aquarium water.

• reduces unpleasant odours
• ensures clear water (...)

Use of Tetra® BF 400/600 plus replacement Filter Foam in Tetra® Internal Filters IN 400 plus and IN 600 plus ensures that the aquarium water is filtered effectively.

• settlement of biologically active bacterial cultures in the filter foam: harmful nitrite is converted into nitrate
• the structure of the foam ensures good physical filtration: small, visible particles are removed from the aquarium water

The highly active Tetratec® BF Biological Filter Foam is specially designed for use with Tetratec® External Filters EX 600 and EX 700.

Use of Tetratec® BF 800/1000 replacement Foam in Tetratec® Internal Filters IN 800 and IN 1000 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. (...)