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Good afternoon, 10k gal indoor I ground pool epoxied painted plaster and fiberglass. Emptied it, acid washed it, filled it with soft water. First parameter to address is TA. Started at 280, 5 gal of acid later down to around 110. Ph 7.5, Chlorine is at 3. Adding water daily due to evaporation...

Searched TFP and it told me to ask the reason for CYA in an indoor pool ?!

10,000 gal pool fiberglass and plaster, TA 130, CH 100, ph 7.2, Temp 80. Problem - Monday started out with TA at 280 (Well water). After 1 gal acid TA came down to 205. After 2 gal of acid, TA came down to 160. Added a qt of metal out and another gal of acid - TA is now 130 ! On a 10000 gal pool...

Y’all prolly have a billion posts on using air to outgas the carbon dioxide and raise ph. I have set up a makeshift waterfall - wonder if this will work. Using a sump pump to pump water about 9ft in the air and drop back into the pool ... is this effective ? I’ve already dumped 2 gal of acid in...

What is the best scale removal for calcium deposits ?? I have been using Haviland product and it works great but it is expensive and hard to find locally.

Good Evening, I'm having a hard time with my water for my indoor 10k gal pool. Not a lot of resources out there. My water seems to have lost its mind !! I have well-water. TA100 - PH 7.2 - TC - 0 - I don't use a lot of stabilizer as I don't really need it being indoors - and that is usually the...