high pH and vinyl liner

[mariane]

I'm in the process of closing the pool and the pH is 8.2 or higher.
Is there a problem leaving it that high and closing for the freezing winter months, or is it important to get it back down to 7.6?
Thanks

 

[mariane]

just saw this post from duraleigh. So I'm not going to worry, and I'm closing it up.

Question about pH when closing pool

Hi All, I am closing my pool and just wanted to check on something. I got the chlorine up to SLAM level yesterday. Today I went to check FC and get ready to close it. When I checked the pH it was 8.2 or even a little higher. The pH was 7.6 before. So I was wondering if adding all that chlorine...

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