Re: cacium hardness/ metal control new to me, do I need them
That's fine. You should have the alkalinity between 80 - 100. Just don't add the calcium. You do have to add more chlorine - get it up in to around 8ppms, this way when people start to swim you won't go below 5. After a couple of hours of adding the alkalinity up check your numbers.
Northeast PA
16'x32' kidney 16K gal IG fiberglass pool; Bleach; Hayward 200lb sand filter; Hayward pump; 24hrs; Pf200; well; summer: none; winter: mesh; ; PF:7.5
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