Introducing the 1 lbs Bottle of Pool and Spa pH UP, high quality Sodium Carbonate for raising pH. This is a balancing solution for maintaining the perfect pH balance in your swimming pool or spa. This high-quality pH up is designed to help raise the pH level in your pool, ensuring a safe and comfortable swimming experience for you and your loved ones.

Dosage: 1 lb (16 oz) Moves pH from 6.6 to 7.2 in 10,000 Gallons of Water.