Leisure Time Spa Up pH Increaser for Hot Tubs 2 lbs. | 22339 Best Robotic Pool Cleaners rust stains

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Leisure Time Spa Up pH Increaser for Hot Tubs 2 lbs. | 22339 Best Robotic Pool Cleaners rust stainsLeisure Time Spa Up pH Increaser for Hot Tubs 2 lbs. (Part # 22339 22339A) is a granular pH and alkalinity boosting chemical specifically formulated for hot tubs and spas. Its fast dissolving sodium bicarbonate formula gently raises low pH and total alkalinity levels to the ideal 7. 27. 8 range, helping prevent corrosion, scale formation, eye irritation, and poor sanitizer performance. Compatible with chlorine, bromine, ozone and biguanide sanitizers,