Clorox Pool and Spa pH Down quickly lowers high pH levels in swimming pools and spas. High pH can cause itchy, irritated skin and promote scale formation on pool surfaces and equipment. This granular formula dissolves fast and is simple to apply with its easy-pour bag design.

• Lowers high pH to achieve ideal range of 7.2 to 7.6 ppm
• Prevents scale formation on pool surfaces and equipment
• Reduces skin and eye irritation caused by unbalanced water
• Works with both traditional chlorine and salt chlorine pools
• Granular formula - faster and easier than muriatic acid
• 5 lb bag treats up to 50,000 gallons of pool water
• Made in USA

Active Ingredients: Sodium Hydrogen Sulfate, Sodium Sulfate