Fountec's organic polymers keep fountain and statuary water cleaner, clearer, and algae-free without chlorine and laborious scrubbing. This EPA registered product utilizes a unique control mechanism to kill and inhibit algae without harming the environment. Unaffected by heat, sunlight and evaporation, Fountec also outlasts and outperforms copper, enzyme and quat based products. A small dose of Fountec lasts up to a week or more and is very economical due to its concentrated formula. Fountec is non-hazardous, non-staining and non-foaming when using the recommended dosage. It is safe for birds, plants, and animals but not for fish. Fountec is the most effective product now available for fountain treatment.