Just wondering what the proper CH level should be. In the how to use chlorine summary it says if below 100 raise to 150 otherwise may note of it. Just wondering if there is a sweet spot. That’s in advance.
If your tub is acrylic or similar, then yes, around that 100-150 is adequate and should prevent foaming. If you had a plaster spa, you would follow the our What Are My Ideal Pool Levels? - Trouble Free Pool page? Hope that helps.
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