A granular form of chlorine sanitizer for pools and spas. Also used as a shock treatment on small above-ground pools. 100 grams increases the chlorine level by 1ppm in a 10,000-gallon pool. Add 750 grams per 10,000 gallons of pool. water.
For chlorine shock treatment, 50 grams of chlorine granules should be added per 1000 gallons of water. Ideally, this should be added after swimming or in the evening to ensure that the product can spread well throughout the pool.