TL Reefs Deionization Resin Aquarium Prefilled Cartridge

Help make your tank more hospitable for underwater buddies TL Reefs Deionization Resin Aquarium Prefilled Cartridge. It works to fully remove all ions and provide zero TDS water with premium-grade, gel type, high capacity, color indication mixed ion exchange resin. This cartridge is specially manufactured with a color indicator to visually show when the resin is exhausted and needs replacing. The resin is also vacuum-sealed in single-use mylar bags to prevent any air intrusion. TL Reefs Deionization Resin Aquarium Prefilled Cartridge can be used for all freshwater and saltwater aquariums and ponds to create ultra-pure water.