Copper sulfate should be used as a pond algae treatment on actively growing algae in water temperatures above 60F. When getting rid of algae in a pond， it is always important to treat 1/2 of the pond algae at a time to avoid killing too many algae and depletion.

• Brand Name: Crystal Blue
• Sub Brand: Smart Crystals
• Product Type: Copper Sulfate
• Container Size: 5 lb
• Product Form: Crystal
• Color: Blue
• Packaging Type: Can