Top-quality filter media

Every Bioflow filter system comes fitted with five top-quality filter media:1. The poly pad catches coarse particles of dirt in the water, thereby serving as a mechanical pre-filter.2. The carbon sponge absorbs odour compounds and turbidity as well as toxic compounds, leaving you with crystal-clear water. In this way, it acts as a chemical filter.Optional: 3.The excellent absorption properties of Carbax enduringly and quickly bind discolorations, odours and toxic substances and ensure crystal-clear water.4. Nitrax is a biological filter medium containing specialist micro-organisms to break down poisonous metabolites (ammonium/nitrite) in your aquarium, thus reducing the danger of fish mortality. What’s more, Nitrax reduces the growth of algae by anaerobically breaking down nitrates, thus supporting the vitality of your fish.5. The coarse sponge is used for mechanical filtering and makes it easier for bacteria to establish themselves in the aerobic zone.Optional: 6. Cirax / Phorax / AmoraxCirax is an organic filter medium which creates the optimum conditions for useful bacteria to settle, due to its large, highly porous surface.Phorax is a highly effective filter medium used to break down phosphates in your aquarium.Amorax…7. The fine sponges are used mainly for biological filtering in the anaerobic zone.