"Made from an environmentally friendly corn sugar plastic, this completely biodegradable and sustainable pond treatment dispenser will treat 50,000-gallon fresh water ponds and lakes for up to 30 days. Just toss in the water and forget about it. U.S.A. Treatment Period Treats up to 30 days, Includes qty. 1 Sphere, Environmentally Friendly Yes, Compatible With Large ponds, Treatment Capacity gal. 50,000, Material Type Biodegradable sphere."
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