DISCOVER OUR NEW FORMULAOur 70% fast dissolving granular chlorine made by our experts team is very powerful. Use our granular chlorine for regular chlorination of the water and so often as necessary. This product will eliminate bacteria and algae in your swimming pool.Did you know?Fast-dissolving chlorine comes in smaller granules, allowing it to dissolve more quickly in water. It starts working before it even reaches the bottom, reducing the risk of stains or burns on your pool liner.