How Do I Raise Pool Alkalinity With Soda Ash? Calculator

Pool alkalinity and pH low? Planning on raising them both with soda ash but not sure how much to add? In this video, we discuss how much sodium carbonate to add to get your pool alkalinity in the perfect range.
Pool Alkalinity Calculator ► pooladvisor.com.au/blog/pool-...
Soda ash has the benefit of increasing both the alkalinity and pH at the same time. This is unlike baking soda (sodium bicarbonate), which will only increase the alkalinity, and have just a small impact on pH.

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Is there a calculator for imperial system ( gallons)