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Natural Chemistry Spa pH Increaser boosts your spa or hot tubs pH level into the optimal 7.2 to 7.6 range, preventing corrosive damage to plumbing, equipment, and surfaces. Low pH can also cause skin and eye irritation for bathers. Spa pH Increaser uses all-natural sodium carbonate to steadily raise your spas pH level into the desired range, avoiding harsh chemicals that can cause more problems than they solve. Your spas pH is the critical factor in maintaining a proper water balance, which determines the health and comfort of your spa or hot tub.
1/2 oz per 400 gallons of water.
1 oz per 400 gallons of water.
pH less than 7.3:
2 oz per 400 gallons of water.
- Test spa water for pH level.
- Compare pH test results to chart on bottle to determine appropriate amount of Natural Chemistry Spa pH Increaser necessary to make adjustment.
- With the spa not in use and circulation pump operating, add required amount directly into spa water. Continue circulating water a minimum of 30 minutes.
- Retest, and adjust if necessary.