Leslie's Black Algae Killer is a unique blend of algaecides that are ideal for treating stubborn black and yellow algae in swimming pools.

Details

One of the most difficult types of algae to remove is black algae, which can appear as a blackish deposit or a dark brown discoloration. Due to its physical nature, it can be hard to remove this algae. Leslie's Black Algae Killer effectively kills this type of algae.

Dosage: 12 oz per 10,000 gallons