We offer Zinc Sulphate. Active ingredients ​98% zinc sulphate heptahydrate (23% elemental zinc) Physical description ​A crystalline white material (powder) Farm types Dairy, Livestock, Lifestyle Uses include Minerals and vitamins, Facial eczema, Foot treatment Also known as ​Zinc Sulphate Heptahydrate, Ravensdown Animal Health Zinc Sulphate Heptahydrate Withholding period ​Cattle and sheep Meat withholding NIL Milk