Specifically formulated for spas and hot tubs, this concentrated granular chlorine effectively sanitizes and shocks hot water to keep it clean and clear for a fully soothing experience.

• Formula combines a sanitizer and shock treatment in one
• Sanitizes hot spa water for clean, rejuvenating results in spas and hot tubs
• Concentrated chlorine granules keep your spa clean for soothing results
• Keeps spa water clean, clear and relaxation-ready
• Enjoy the healing powers of clean, healthy Sirona™ spa water