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    Rapid FC drop after adding Calcium Chloride

    Hi everyone, I’m looking for some help/advice. My daily chlorine levels are typically pretty consistent and require that I add somewhere between 20-30oz of liquid chlorine (1-1.5ppm). I did my weekly chemistry tests yesterday and everything looked OK. My CH levels have been running a bit on...
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    New Guy Pool Chemistry Question

    Hi all, Our in-ground pool was completed in December. It is 15.6k gallons, using a chlorine system, and has a pebbletec finish in central TX. I’ve started with the pool math app and like it so far, but have a question on the target ranges in the app. The pool builder and pebbletec chemistry...