Puri Tech Sodium Dichlor Chlorine Shock Granules for Sanitizing Hot Tubs and Spas – Fast-Acting, pH Balanced Sanitizer - 56% Available Chlorine, 99% Sodium-Dichlor-20 Pound

VERSATILE WATER CARE: Enjoy flexible water care with this multi-purpose pool and spa product—ideal for in-ground and above-ground pools, vinyl-lined surfaces, spas, and fountains. Whether you’re managing a backyard pool or a hot tub, this formula supports water clarity across a variety of systems. FAST-ACTING CLARITY: Enhances water appearance with a fast-acting formula that targets dull or hazy conditions. Helps clear cloudy water and restore sparkle—making your pool or spa water look clean and inviting within hours. GENTLE ON HARD WATER SYSTEMS: Calcium-free to help reduce scaling or residue buildup on surfaces and equipment. An ideal option for areas with hard water, helping to support system performance with less maintenance. STABILIZED FOR LONGER EFFECT: Contains 56% available chlorine and built-in UV protection to help chlorine last longer under sunlight—reducing frequent reapplications and improving chlorine efficiency. CONSISTENT QUALITY FORMULA: Made with 99% Sodium Dichloro-S-Triazinetrione Dihydrate for reliable performance. This easy-to-use formula helps keep water visually clean and clear, giving you confidence in your routine pool or spa care.