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Hi People, i have some question. when you check the FC, pH, TA, CH, CYA, Borate, your all numbers are not standard. so which one you need to fix first? :?: what next? :?: In my opinion, i will fix CYA, CH and borate first then check it again then TA and FC after that pH. Is it ok? Thank :o

Hi my friend pool have problem. pool size is 43,000 gallons TA = 250 Total Chlorine = 10 Free Chlorine = 5 pH= 6.2 Total Alkalinity= 0 Cyanuric acid = 0 he test his pool 1 day after big raining. what should we do? i have some question about Cyanuric acid. how is it zero? my friend use...

What gonna happen if pool have boron more than 80 ppm? How to fix it?

Why you get tan skin when you swimming? Chlorine? Borate? or another Chemical? How does it do that? Thank.