Copper Sulphate 25kgCopper Sulphate is an inorganic compound that combines sulfphur with copper. It can kill bacteria, algae, roots, plants, snails and fungi. It is for this reason that many farmers use it in foot baths for sheep to prevent and treat Foot Rot. Dilution rate for Copper Sulphate Footbath The dilution rate for both copper sulphate and zinc sulphate is 10pc. That means that for every 10 litres of solution in the footbath you should add 1kg of either copper