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pH/Alk Up pH & Alkalinity Increaser by FreshWater

$ 9.99 $ 11.99

Adjust your hot tub's PH & your Alkalinity Up with this. You'll want to adjust PH first, never adding more than 1 ounce at at time. Give PH about 24 hours/one day to settle in before adding anymore PH. Then you can adjust your Alkalinity, hardness, and sanitizer.