Oase BioMaster Blue 20ppi Foam size-250g ensure no accidental spillage or

ensure no accidental spillage or messy maintenance

Absorbs water quickly and becomes soft taking on a worm-like texture

Specially developed for bottom feeding carnivorous fish offering a nutrient mix comparable to live foods without the parasites or bacteria they normally contain

Your fish will look their best year round

Oase BioMaster Blue 20ppi Foam size-250g ensure no accidental spillage orThe 20 ppi Replacement Filter Foam for the BioMaster 250, 350, 600, or 850 includes an ultra coarse replacement filter foam. Customize your choice of filter foams to meet the needs of your aquarium. Timing to replace the filter foam varies upon aquarium size and the number of fish and plants.