Get rid of pesky black algae with 1 Quart of non-foaming WATER TRENDS Black Algae Destroyer 60%! This potent, super concentrated algaecide is designed to eliminate all types of algae, including black algae. Don't worry about any leftover residue or staining - the non-metallic formula is non-staining and leaves behind no residue. Keep your water clear and clean with this non-foaming and non-clouding solution.

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