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Due to a high CYA around 110, I've replaced 2/3 of the water with fresh new water. The problem is that I've measured the new TA and it's 184. I've also measured the water from the municipal waterwork and it's high out of scale. What should I do?

Due to a pump outage that lasted 10 days, my pool became a pond.I've tried to SLAM it, but CYA went to high (100) and I had to drain and refill. Starting values after refill were: FC 1.4 ph 7.5 TA 145 CYA 50 I've raised the FC with bleach 15%, and then I've started to lower the TA. My first shot...

Hey, I know that TFP is suggesting to use MA instead of sulfuric acid, but here in Italy it seems that it's common practice to use it. Moreover, you cannot use MA with the peristaltic pumps. It's probably a matter of materials? Anyways, is there a formula to calculate how much sulfuric acid I...