Specially desiged for controlling many types of algae in freshwater aquariums containing live plants and fish. Controls green water algae blooms. Keeps freshwater aquariums clean and clear. Treats up to 2,400 U.S. gallons.
Specifications Aquarium Type Freshwater only.
Instructions Add 1 teaspoon per each 50 U.S. gallons of water. Repeat dose every 3 days until algae is controlled. Siphon or scrape any dead algae from aquarium. R Once algae growth is under control, add 1 dose per week.