ClearRay® pH/Alkalinity Down

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ClearRay® pH/Alkalinity Down is designed to lower both alkalinity and pH of your spa or hot tub. Ideally, the total alkalinity should be between 80 and 150 ppm, and pH between 7.2 and 7.8. ClearRay® pH/Alkalinity Down should be used as necessary when pH levels are above 7.8. Show more