Re: Why add CYA at all?
You can do it that way, but it will take a while for the tablets to raise the cya to where it will maintain chlorine in the sun - but it will work if you can maintain the 1 - 2ppms of chlorine. You will have to keep tabs on the cya, because as it raises with the tabs, you will have to keep a higher chlorine reading. If it isn't a problem to change your water, then it should work for you - that is what is best - the routine that works best for you. You will have to watch your ph, as the tablets are very acidic.
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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