New Plaster PH

drogers5

New member
May 24, 2025
2
Alabama
Pool Size
27000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Hayward Aqua Rite (T-9)
I just started my pool up after 3 days of filling after new plaster. I have a digital PH reader and also took my water in for reading. My ph is reading 10.38 and TA was 100. I was told to add 24lbs of PH reducer. I added 8 lbs and it took it down to 10.10, I did add another 8 lbs tonight and hoping tomorrow it is lower. Question is, should I be using liquid acid instead of dry acid. I am not new to pools, but my first re plaster. I have a 25-27000 gallon pool. Any help would be great and want my new plaster to last 30 years like the last was.
 
Question is, should I be using liquid acid instead of dry acid.
YES. Use muriatic acid. Dry acid adds sulfates, which at high enough levels, can damage plaster and metals.

What startup guide are you using, you should follow it closely to maximize the life of the plaster. Did you get a guide from the plasterer? What plaster was used?
 
YES. Use muriatic acid. Dry acid adds sulfates, which at high enough levels, can damage plaster and metals.

What startup guide are you using, you should follow it closely to maximize the life of the plaster. Did you get a guide from the plasterer? What plaster was used?
Thanks so much and have read the guide and will get liquid acid today to adjust levels. I live in a small town and not many plaster pools. My plaster company wasn't great about the start up as I asked a lot of questions before. I am glad I found this page and want my new finish to last.
 
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