Leslie's Black Algae Killer 1/2 G

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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


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