1/2 lb Copper Sulfate Pentahydrate FAST ACTING Algaecide

1/2 lb Copper Sulfate Pentahydrate for Swimming Pools, Ponds, and Fountains – Algaecide Packets    WARNING: DO NOT USE IN PONDS IF ANIMALS (FISH) ARE PRESENT!   Concentrated pool algaecide. Using copper sulfate pentahydrate, the algaecide will clear green and yellow algae effectively.  ★EASY TO USE: Just dissolve 2 OZ per 10 k gallon in a bucket of water and pour all around the pool. Warning! Keep your PH on the right range, high PH may cause stains. ★LONG LASTING: Our algaecide has the benefit of working in the water for long periods of time, eliminating any potential algae ★RESEALABLE CONTAINER: The container used to package our algaecide is resealable ★MADE IN USA: High-quality standards used to manufacture algaecide ensure quality and durability for maximum effectiveness.