Recommended pH Level For Pool Closing

ghall6292

Bronze Supporter
Jun 10, 2018
142
North Central PA
I didn't make any notes from last year except for chlorine levels and Polyquat levels for closing my AGP. Am I correct to think that pH will rise gradually by Spring? I normally run it at 7.5/7.7 when open. Should I leave it alone or lower it to close? If so, what's the recommendation? Thanks!

On a good note, water temp hit 60 this morning. Should have closing completed in the next week.
 

ghall6292

Bronze Supporter
Jun 10, 2018
142
North Central PA
Thanks, Marty. I have a laminated version of that to take out with me during my close so I don't forget anything. Mine is a bit "customized" so that anyone could close my pool if I was unable to do so. Also have the same for opening. However, it only speaks to chlorine and polyquat; says nothing about pH.
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
44,310
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Regardless, pH will settle in relation to the carbonate alkalinity of your TA. Not something to be concerned with on a vinyl pool unless the CH is well above 400 ppm.
 

ghall6292

Bronze Supporter
Jun 10, 2018
142
North Central PA
Thanks again! Sounds good. My TA is 80-ish and that's why my pH runs where it does: because it wants to... :) . My CH has been 125 almost forever, so I guess I'm good to go.
 
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