The heart of a filter is its filter sponges – filter cartridge set for the BioTec Premium 80000. Included in the set are 2 purple filter sponges, which have rather coarse filtration properties. The higher flow rate is particularly beneficial for the oxygen-loving filter bacteria. These microorganisms ensure that the degradation products in the pond are converted into harmless substances (nitrification). This is especially true for the two blue filter sponges included. The two red filter sponges, on the other hand, show their strengths with fine filtration properties and thus remove the smallest dirt particle residues from the water at a slow flow rate. The ideal team effort for your BioTec Premium with perfect filter results.

Technical data