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PH Down pool additive for scale removal


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The product name gives it away.

"pH down" probably connotes a solution that would lower the pH. and make it more acidic. pH 7 is neutral and pH 7 and up is a basic solution. Acids lower the pH so it is a good bet that the product has acid in it. (i.e. pH 6 to 1 is acidic). Clear as mud what hey?


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MSDS for pooltime pH down says:

SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS Hazardous components Component CAS-No. Weight percent

sodium hydrogensulphate 7681-38-1 90 - 95 %

sodium sulphate 7757-82-6 4 - 10 %

MSDS for Proteam pool care:


Sodium bisulfate

 Sodium sulfate

NOTE: Sodium bisulfate, also known as sodium hydrogen sulfate

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