Trade name(s) Copper Sulfate, Blue Stone
Manufacturer(s) Chem One Limited, Griffin, Phelps Dodge, Nufarm
Formulation(s) 25% crystals; also available impregnated in clay and as liquid.
Remarks Used primarily to control algae in impounded waters, lakes, ponds, reservoirs, and irrigation systems.
Water solubility Very soluble
Storage conditions Stable when kept dry.
Acute toxicity LD50 - 470 mg/kg
Action in plant Causes imbalance of copper with other enzyme metal cofactors, resulting in enzyme blockage.
Site of action Plant cells
Chemical family Inorganic