Hello everyone! I was talking to a guy at the pool store (in Denver CO) about the light in my pool. At normal water height it is 18 inches below the surface. If I take it down to 3 inches below the returns the light will be at 5 inches above water. He said when they close pools they dont worry about lowering the light because the freezing doesnt do anything to the light... this doesnt make a whole lot of sense to me. Is he right?