pH Phenol Red Reagent

pH Phenol Red Reagent

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This liquid reagent is used as an indicator for a color matching water test. Phenol Red is for the measurement of the pH level of hot tub or pool water. The correct ph Level is between 7.2 and 7.8. Maintaining hot tub water at the correct pH level prevents corrosion, protects the hot tub equipment and makes the water comfortable for bathers.

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