After a nightmare new inground pool installation this August we still have never swam in our pool. Next week the PB is coming to replace pump (first one defective) and install brand new liner at his cost (initial one was damaged in all four corners due to poor install). PB plans to close the pool immediately after installing new liner and filling pool (water truck). I was told no chemicals were needed before winterizing because it will be brand new water never swam in. Is this true? Is it ok to not balance water before closing at that point? It’s all happening in one day (new liner and closure) so not sure I have much choice….