I have Above ground pool, and my CH is 230. The pool math app says my target is 175. I’m not sure if I need to be concerned. I have a pool heater and don’t want to damage it with bad chemistry but
The CH for your pool liner is not a problem. Usually a low pH is more detrimental to a heater than CH, but refer to your owner's manual if you wish. Always go to our Recommended Levels - Trouble Free Pool if you have any questions about levels. Hope that helps.
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