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winter hot tub maintenance tips

Winter Weather Maintenance Tips for the Hot Tub Owner

  |   Maintenance & Water Care, Ownership   |   6 Comments

How do I maintain my spa in the winter?


For some, winter can be their hot tub’s busiest season, for others it’s a period of less use. Whichever the case, spas require the same simple care over the winter months as the rest of the year, with just a few seasonal nuances to navigate the cold and/or freezing conditions.


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  1. Frequently check on your spa to make sure it’s running and the water level is not too low.
  2. Always clear your cover of ice and snow before opening.
  3. Remember to maintain chemical levels while the spa is not in use during the winter.
  4. If the spa isn’t functioning properly, DO NOT DRAIN THE SPA. Place a small space heater or 100W service light inside the access door to the equipment area and place a heavy blanket over the door to keep the spa from freezing and/or thaw any ice buildup. Make sure the light or space heater is not in direct contact or near anything that could melt or burn (shell, wires, foam, etc.). Then call your hot tub dealer to schedule service.


Typically, winterization of quality manufactured spas is not generally necessary unless you plan to be away for an extended period of time. When you are not planning to use the spa for six or more weeks, or when someone is not able to maintain the spa on a weekly basis, you should winterize the spa. To winterize and de-winterize, follow steps found in your hot tub’s owner’s manual.



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Bullfrog Spas is a premier brand of personalized premium hot tubs. With proprietary hydromassage technology and an eye for contemporary design, Bullfrog Spas is revolutionizing the concept of the portable hot tub and providing a relaxation experience unlike any other. Discover the award winning spa of the future today.

  • Guy Mailhot | Jan 29, 2018 at 8:05 am

    I have a R serie with 2 Pumps and a circulating one. I live in Québec where thé Temperature is frequently below 0. Is it possible to keep the spa on the rest mode and be sure that the freezing protection is safe?

    • Bullfrog Spas | Jan 29, 2018 at 6:36 pm

      It’s highly unlikely that you would ever see freeze damage, even in rest mode. However, since the spa doesn’t heat in rest mode except during filter cycles it’s possible for it to lose more heat and not maintain a usable temperature in very cold weather. If you keep it in ready mode during the coldest times it should keep the temperature near your setting.

  • Jason Hix | Feb 1, 2018 at 8:46 pm

    We just recently purchased an X8L,and love it but tonight when we got in with the outside air temp in the upper teens the spa temp dropped 2 degrees in under 30 minutes. Any suggestions to help maintain water temp while using the spa during the winter months?

    • Bullfrog Spas | Feb 2, 2018 at 10:34 am

      This can happen in extremely cold weather. The spa will actually maintain temperature better if the water feature is turned off. Many people also set their temperature a bit higher for the coldest months to compensate. Since our X Series spas are plumbed in a conventional fashion vs. our other spas with the JetPak Therapy System, they do tend to lose heat just a bit faster in extreme cold.

  • Kelly McGee | Dec 2, 2018 at 8:03 pm

    My spa is two months old and it seems low on water. How do I tell if I’m loosing water or if it’s just occurring because of use?

    • Bullfrog Spas | Dec 31, 2018 at 2:57 pm

      I will lose water quite slowly due to use and evaporation. Refill to the line and check after 24-48 hours of no use. If there’s a problem you will likely see the level go down in this time frame. Contact your dealership for service. Otherwise, you may just be experiencing normal water loss due to use and evaporation.

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