• (1) API POND ALGAEFIX ALGAEFIX Algae Control 64-Ounce Bottle; treats up to 19,200 US Gallons
• Helps to address algae issues and limits the creation of new algae; it works quickly and efficiently to control most varieties of algae in ponds, koi ponds, and fountains, including green water (Chlorella), string and hair algae (Cladophora), and blanket weed algae (Oedogonium).
• When used as prescribed, this EPA-registered pond algaecide will not affect fish, plants, adjacent animals, or pets.
• It does not contain any copper.
• Before using, ensure that the pond/fountain has adequate aeration. thoroughly mix into pond/fountain water and evenly distribute; Repeat every three days until the algae are under control. Once a week to maintain the pond or fountain clean and clear, as well as to decrease maintenance.

In ponds with living plants, it effectively suppresses several species of green or green water algae, string or hair algae, and blanket weed. Controls existing algae and aids in the resolution of future algae outbreaks. Maintains the cleanliness and clarity of ornamental ponds and water gardens.