RFW1013 Features: * PH reducer * The safer alternative to muriatic acid * Stops eye irritation, cloudy water and scaling caused by high pH * Boosts chlorine"s ability to fight bacteria and algae * Contains granular sodium bisulfate * Recommended dosage: 6 oz. per 10,000 gallons * Ideal pH range is 7.2 to 7.6 ppm Dimensions: * Dimensions: 10"" H x 8"" W x 10"" D