Say ‘goodbye’ to unsightly algae growth with Aquascape Algaecide. Aquascape Algaecide controls string algae growth as well as single-celled floating algae, also known as green water. Elimination of algae will allow you to spend more time enjoying your pond and less time maintaining it. A teaspoon will treat 50 gallons, making the addition of treatment quick, easy, and precise. Algaecide can be used in ponds with fish and plants. 1 bottle treats 2,500 gallons. Aquascape is passionate about the products we produce, providing unique products, designs, and features that stand above the competition.