About this item

• BENEFITS: Lowers the pH and total alkalinity in spa water; increases effectiveness of sanitizer; maintains clean, clear, sanitized water
• USE: Pour directly into spa water
• COMPATIBILITY: All sanitizers including bromine, chlorine and biguanide
• FEATURES: Fast-dissolving granular pH down spa product
• ACTIVE INGREDIENTS: Sodium Bisulfate
• Adjusts water pH and alkalinity downwards
• Fast-dissolving granular product