O-ACE-sis Granule Chlorine Neutralizer 5 lb

High levels of chlorine can make the pool unsafe for swimmers. Chlorine neutralizer lowers excessively high chlorine levels that may occur after super-chlorination or inadvertent addition of too much chlorine. 2.0 oz. of chlorine neutralizer per 10,000 gallons of water will reduce chlorine level by 1 ppm. 100 percent sodium thiosulfate crystals.