HTH Super Shock Granule is a powerful 4-in-1 formula designed to deliver crystal clear pool water in just 24 hours. It effectively kills bacteria and algae while reducing eye irritation, all without fading your pool liner. This fast-dissolving granule contains 56.44% calcium hypochlorite and 43.56% other ingredients, providing 54% available chlorine for superior sanitation. Suitable for all pool surfaces, it comes in convenient sizes and packaging options to fit your needs. The product is color-coded red for easy identification and is for maintaining a clean, safe swimming environment. Model Number: 52005