I look after a couple Hotel pools in Parachute, CO. I am mostly just looking for a good saturation index calculator to help a new employee at one of the properties.
We use PoolMath. I prefer the app but some prefer the old web based calculator linked at the bottom of the page. The app works fine with the free version but the $7 (yearly) subscription saves your data logs and is worth every penny. And it's barely any pennies.
Here is the rundown on CSI and LSI. (We use CSI here)
You will find the recommendations here, potentially, quite different than the requirements to you have, to maintain commercial pools in Colorado. Just note that. Our focus is residential pools.
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