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Thank you! Would it make sense to lower the pH to 7.0-7.2 a couple of timew with dry acid?

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?

Another bug. In "Effects of Adding", Pool Volume in Liters, Bleach. It seems that it doesn't support a 15% Bleach percentage. The calcultaions are the same as 12.5%

Thank you! Yes, it is almost impossible to find the Taylor here in Europe :( Regarding the FC. Now is 3.4. Should I prioritise FC over TA? Right now I'm aerating to get the PH back to 7.6 and then drop again 7,6L of muriatic to get to TA = 100. If it works ;)

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...

@Leebo Hi, I live in Italy and the decimal separator is the comma. The app is working correctly, but If I switch to the US settings, the app will request to input the data with the dot as decimal separator, but the it won't handle it ( eg.I enter 7.3, but it will record 73) . see attached...

Or can I use an acid in the calculator with good approximation? I'm using sulfuric acid 36%, 31 BE Thank you for your help!

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...