CSI in Pool Math

Exlonghorn

Gold Supporter
Jun 16, 2019
119
Houston
Pool Size
18000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Jandy Truclear / Ei
I see this in Pool School:
"How is CSI calculated? Very simple – by using the PoolMath tool. Since CSI is primarily calculated by combining pH, TA, CH, and water temperate (among other items), simply enter your test results in PoolMath and refer to the CSI row. The tool will tell you if your water is balanced or if there is a potential for scale or erosion."

But I can't seem to find this in the app. Can someone give me a pointer as to where I can find this?
 
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Here is the web version.

 
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