We explain why, how and when to winterize your hot tub to keep it in good condition. Is winterizing your hot tub freaking you out? Be sure to follow our easy 9 step guide so you can get into a clean and safe tub after the winter. This guide gives you both paths with clear checklists, step-by-steps, pro tips, and faqs—so you can choose the setup that fits your climate, usage, and budget. · many owners safely run their hot tubs through winter with freeze-protection and a tight, well-insulated c over. · here’s how to decide when to winterize , what supplies you need, how to properly winterize your hot tub step-by-step, and how to protect your spa during the winter if you decide to keep it running. · if you dont use your hot tub during winter it is a good idea to winterize.