Aquatlantis EasyBox Aquaclay Cartridge - Large

The large Aquatlantis EasyBox Aquaclay Cartridge is a durable plastic cartridge designed to hold various types of filter media. The small natural clay balls feature an incredibly porous surface which helps to promote the colonization of healthy bacteria that help to provide organic balance and filtration for your aquarium. Designed for use with a filtration system. Completely safe for fish and plants. Recommended replacement every 4-6 months.