Oase 20ppi Ultra Coarse Replacement Filter Media Foam for BioMaster 250/350/600 Aquarium Filter - Blue Plumbing and Parts 62% min Omega-3 Fatty Acids

62% min Omega-3 Fatty Acids 1

potassium levels usually equal around 400 ppm

planet-like motif to intrigue budgies

Can be used inline or submersed

Oase 20ppi Ultra Coarse Replacement Filter Media Foam for BioMaster 250/350/600 Aquarium Filter - Blue Plumbing and Parts 62% min Omega-3 Fatty AcidsOASE BioMaster 20ppi Blue Filter Foam An ultra coarse (20 ppi) blue foam insert for OASE BioMaster canister filters. This single replacement sponge is designed to catch large particles and serve as the first stage of mechanical filtration, while maintaining strong water flow. It helps prevent clogging of finer media, is easy to rinse and reuse, and should be replaced as needed to keep your filter working efficiently.