OASE Replacement Filter Cartridge for the BioStyle Filter (4 Pack) bioplus thermo 50 does not significantly discolor aquarium

does not significantly discolor aquarium water

May be supplemented daily with chopped vegetables

giving it a rich golden appearance

choline B12

This makes a great aesthetic addition for any animal enclosure

OASE Replacement Filter Cartridge for the BioStyle Filter (4 Pack) bioplus thermo 50 does not significantly discolor aquariumThe Replacement Filter Cartridge Set of 4 for the BioStyle 20, 30, & 50 and BioStyle Thermo 30 & 50 5 in 1 Filtration The BioStyle Multi Stage Filter Cartridge provides 5 in 1 filtration which ensures clean, healthy, and clear water for your aquarium No Mess Maintenance The disposable filter cartridges are easily removed and replaced Contains four replacement cartridges that fit inside the chamber of the BioStyle filter. Quantity needed depends on the