Hopefully, all pool owners in the region understand the importance of properly closing their swimming pools for the winter season. If not, our previous helpful article may persuade you to do so. However, knowing that your pool must be closed and understanding just when it should happen are two different things. You likely grasp the fact that winterizing your pool must occur sometime in the fall, but may not be savvy as to when that magic window of time opens and closes. Is it time to winterize your pool? Let’s take a look at the relevant criteria.