Low pH degrades liners so strong acid poured into pool water can pool at the bottom if not poured over a return flow and/or the liner lightly brushed. Is that what you meant by "High Acid"?
Wrinkled or puckered liners can be caused by low pH. How long it has to be low to damage the liner I don't know. Liner wrinkles can also be caused by high ground water behind the liner.
A new client called me, and that was the reasoning given by the gentleman that installed the liner.
I have not yet inspected it. Either way may be the case.
Although, he did tell me he has been using 3" pucks so I can't wait to see the high cya. And that also could be why it is wrinkling. I can't wait to share you guys with him.
Thanks for the input.
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