As fall winds down into the holiday season, followed by the long, cold days of winter, many spa owners may decide to put their watery oasis to bed. Understandably, you may not plan on taking a soak when the thermometer outside drops. That’s perfectly okay, but before you close things up, remember that it’s imperative to your hot tub’s longevity that you do it the right way. Enjoy a great new season next year when you conduct the proper fall…