Champion CD160904 15 gal CDS 10% Liquid Chlorinator - Liquid chlorinator is for use in disinfecting and oxidizing pool and spa water. Sodium Hypochlorite clears cloudy water by killing bacteria and destroying contaminates. Whether being used for new pools or spring openings, regular water maintenance, or as part of the winterization process, Sodium Hypochlorite is the perfect cleaner for any pool or spa.