I just started using a pool cover and it has caused water temp to rise. I have read on here that this may cause PH to change. Water is definitely warmer, maybe 5-7 degrees. My question is, do I need to add muriatic acid if PH reading goes up every time it does if it is related to a water temp change? My PH went up from 7.6 to 8. And if so, I bought some but pool calculator asks for a baume % and I don't see that in the ingredients of the liquid muriatic acid I purchased.
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