ph/Alkalinity Up (Increaser) - 1 lb

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Raising Ph/Alkalinity1. For every 500 gallons of spa water a. If pH is between 6.8 – 7.2 1 oz of HT pH/Alkalinity Up b. If pH is less than 6.8 add 2 oz. 2. Allow filtration pump to run for 1 to 3 hours, retest and repeat Step 1 if necessary.For best results dissolve in bucket of spa water then pour into spa Show more