Aqua Chlorine Granular Powder is a powerful disinfectant for swimming pools and water treatment applications Can be used daily as disinfection to eliminate bacteria, viruses, fungi and algae ensuring your swimming pool water is clean and safe to use Restore the chlorine content of your swimming pool and can be used as a chlorine shock treatment Organic chlore with high effectiveness, use biocides safely, before use, read the label and product information Fast dissolving granules with 65% available chlorine content and totally free of cyanuric acid (UV stabilizer) Suitable for use on any filter system and this product is stable provided it is stored in a dry place at temperatures of less than 40°C