December 12, 2019, 05:35:11 AM
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Topic: Pool Chemistry Sodium bicarb vs Sodium sulphate  (Read 230 times)

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Offline pcm81

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Pool Chemistry Sodium bicarb vs Sodium sulphate
« on: November 15, 2019, 01:02:01 PM »
Greetings.
In pools sodium bicarb is often used to increase the total alkalinity of pool water, while sodium sulphate is used as a pH reducer. My question is if the combination of the two actually forms something similar to a buffer solution which keeps pH at a particular value or if the combination of the two results in a particular pH value without the pH buffering effect?

Usually the "ideal" total alkalinity is believed to be between 80 and 120 ppm. Is there a benefit of adding enough sodium sulphate and sodium bicarb to have a target pH of 7.2 at alcalinity of 120 going to have a larger pH stabilizing effect than say at alcalinity of 100?

Thanks ahead

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