Leslie's Black Algae Killer 1/2 G

Black Algae Problem Solver! This unique blended formula is the best algaecide to use for stubborn algae such as black and mustard algae in all swimming pools. Black Algae Killer in 1 qt. and 1/2 gal. bottles Formulated to kill black algae Prevents black algae Kills mustard algae   Black algae is one of the most difficult varieties to control and eliminate. This algae can appear as a blackish discoloration or a tar-like deposit. In either case, it is a problem to remove because of the physical nature of this algae. Leslie's Black Algae Killer eliminates and blocks Black Algae. Dosage: 12 ounces per 10,000 gallons of water.Dosage: 12 oz per 10,000 gallons