Applying spa wax or 303 Protectant to inside surfaces is a good idea, and will make start up and cleaning of your spa in the spring easier. Clean your cover both inside and out, and apply a quality protectant such as 303 to both inside and outside surfaces. Never apply any product containing silicone oil to a vinyl spa cover, as it will promote deterioration. Secure your cabinet If your spa has an enclosure with doors, make sure all are closed and any thumbscrews or latches are secured. Check Wooden surrounds If your wooden cabinet needs a coat of finish, this should be applied before weather dampens the wood, or the temperature gets too low.
Many people cover their entire spa for the winter, if in a location exposed to the weather.
This prevents rain water or snow melt from seeping back into the spa and causing potential freeze damage. Although there are pipe antifreeze products on the market, we do not recommend them because of the difficulty of removing the residues in the spring. Ideally, wooden hot tubs should never be allowed to remain empty for an extended period of time. As the wood dries, it will shrink or crack, and this can cause leaks when refilled. Any remaining moisture in the wood which is allowed to freeze can also cause cracks.