HTH Pool Care Shock | 5lb. | 52234

The HTH Pool Care Shock Granules – 5 lb (Model 52234) is a reliable, fast-acting calcium hypochlorite formula designed for regular pool maintenance. Engineered to sanitize, clarify, and help prevent bacteria and algae, this multi-use shock works quickly to restore crystal-clear water—without adding stabilizers like cyanuric acid, which can cause chlorine lock. Safe for use in all pool types—including vinyl-lined, concrete, and saltwater systems—it dissolves rapidly to boost free chlorine levels and maintain optimal water balance. Ideal for weekly use, this 5-pound granule package treats large pool volumes effectively, keeping your water sparkly clean and swim-ready.