Hi, I had a local pool guy coming in and he sent the photo to one of pool manufactures that he knows of and was told that it’s probably due…

Hi, which state do you live in?
Ask Riverina first but they will probably ask you for water test results and will tell you that your chlorine level had been high…

Hi, again. Thanks for the reply. Other symptom rather than bleached surface due to overchlorination is the chalky surface on the wall which you can actually move this chalky stuff…

Can bleached liner be restored with scrubbing with wet sand paper though?

Hi, thanks for your photo. Mine isn't as bad as this one but without draining all the water, you never know.
You seemed to have seen a lot of…

Hi, Dons80 and KazBoo, do you also see any white chalky film on the pool wall? That you can move with your hands but not really coming off the wall?
Cheers