Quick removal of turbidity in freshwater and saltwater aquariums and in pond filters: reusable filter foam. Easy to use: cut the foam individually (suitable for all filters). Insert at the filtration level for pre-filtration or long-term filtration. Clear and sparkling water: filtration of floating algae and turbidity. Very large surface area for the colonisation of cleaning bacteria. Releases no harmful substances - large-pore foam of 10 ppi, inert in water. Included: 1 washable filter foam sheet of 50x50 cm for all types of filters, available in thicknesses of 2.5 cm, 5 cm, and 10 cm.
