Anti - phosphate Media

Cobalt - Anti-Phosphate Media. Cobalt Anti-Phosphate is a high capacity resin that will rapidly remove phosphate from your aquarium water. Anti-Phosphate is safe for fish and invertebrates, and perfect for both Freshwater and Marine Aquarium use. Care should be taken when using with planted aquariums, phosphate is a key nutrient required for plant and algae growth. 2 pre-loaded bags for easy use and replacement.