HTH™ pH Down is a sodium bisulfate pool pH decreaser that lowers high pH back into the safe 7.2-7.6 range.

• Prevents cloudy water, scaling, and eye irritation
• Target range: 7.2-7.6
• Broadcast over deep end with pump running. Never pre-dissolve
• Wait 4-6 hours after shocking before adding
• Safe for vinyl-lined, fiberglass, concrete, and saltwater pools

You're in the Clear with HTH™!