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Filter materials keep the aquarium clean, clear and fresh! Fish and plants release all kinds of harmfull substances that pollute the water. The right type of filter media is of great importance for the water quality.
The ADA Bio Cubes are made of polyurethane and have a large adhesion surface for bacteria and micro-organisms. The lightweight filter material can also be used in internal filters or hang-on filters and retains its positive properties over a long period of time.
Contents: 2L (black)