Salt for chlorine generators is a 99.99% pure salt, specially designed for swimming pools using a chlorine generator. It does not contain any anti-caking agent or additive to meet the strictest standards of chlorine generator manufacturers. Its crystals dissolve very quickly. Salt Warwick Chlorine Generator Salt will save you from handling chemicals, it will give you clearer and easier to maintain water, while eliminating irritations of the eyes, respiratory tracts and other disadvantages of chlorine.