Applied Biochemists Black Algaetrine Algaecide - 1 qt

This formulation was specially designed to fight tough black algae. Contains copper and penetrating agents to kill and prevent the growth of even the most deeply-rooted algae cells. It allows for swimming without waiting and is compatible with all pool types. Compatible With Chlorine, bromine and ozone sanitizers Manufacturer Applied Biochemists Manufacturer Part # 406303 Pool Chemical Type Algaecide | Algae Prevention & Remover Product Features Controls black algae and other resistant forms Swimming can resume immediately after treatment