Bioguard® Super Soluble^™, 5 lb

Super Soluble chlorinating granules are quick dissolving, and leave no residue. Sanitizes and oxidizes without upsetting pH balance or making water cloudy. Easy to use with all types of pools: apply directly to pool water. Excellent choice for sanitizing small to medium sized above-ground pools and in-ground vinyl-lined pools.(99% sodium dichloro-s-triazinetrione)