Fritz Aquatics Pro Aquatics A.C.C.R. Dry Ammonia, Chlorine and Chloramine RemoverFritzPro A. C. C. R. is a unique, highly concentrated powder that completely, instantly, and safely detoxifies ammonia, chlorine, and chloramine from fresh and saltwater. FritzPro A. C. C. R is non toxic and can be safely used in all types of fish and aquatic invertebrate culture. Concentrated dry formula Will not negatively affect biological filtration Will not affect dissolved oxygen levels in the water Non toxic to fish, invertebrates, aquatic