My pool company installed the liner today and went straight away to fill it up. Is that normal? The liner has wrinkles, is that normal? The floor had cracks I asked to have fixed but they threw the liner in over them and you can feel and see the ridges under the liner. Is this normal? Please help. My PB says the wrinkles are normal and the weight of the water will take care of it. I read differently online. Am I wrong