API CRYSTAL Aquarium Filtration Media Cartridges for Superclean 60 and 90 Internal Filter, Size 2, Pack of 1

Contains one (1) API CRYSTAL SIZE 2 Aquarium Filtration Media Cartridges for API SUPERCLEAN 60 1-Count Pack Cleans and clears aquarium water removing debris and aquarium pollutants, including colours, odours, heavy metals, and toxic gases which cloud water and degrade water quality. Contains a unique superior resin-carbon blend that removes compounds 3x more effectively than carbon alone. Easy-to-use pre-dosed cartridge fits internal filters API SUPERCLEAN 60 and 90, for freshwater, saltwater, and reef aquariums Use when starting or maintaining an aquarium, replace monthly or sooner if aquarium is heavily stock and/or colours and odours are detected