GreenClean Granular Algaecide - OMRI Listed - 20 lb Bucket by BioSafe

Treats and controls algae in water for your in-home or residential ponds, fountains, or water features. Not harmful to fish or aquatic plants when used as directed and can be used while your pond or water feature is fully stocked. Quick and efficient and begins working on contact, killing algae fast. Sunlight and higher temperatures will enhance GreenClean Granular Algaecide activity. Removes Excess Organic Debris.