7 Essential Tips for Winterizing Your Hot Tub

Learn how to winterize your hot tub properly and prevent any damage from freezing temperatures. Follow these seven essential tips and enjoy your hot tub again in spring.

To winterize your hot tub, you will need the following supplies:

  • A garden hose
  • A shop vac
  • Hot tub cleaner
  • Hot tub filter cleaner
  • Hot tub cover cleaner
  • Non-abrasive sponges and soft cloths or towels
  • Hot tub antifreeze (optional)

Instructions: Winterizing Your Hot Tub

  1. Turn off the power to the hot tub. You can do this at the breaker box or by unplugging the hot tub.
  2. Drain the hot tub. There is usually a drain valve at the bottom of the hot tub. Connect a garden hose to the valve and drain the water into a suitable location.
  3. Drain the pump housing, filter canister, and heater. There are usually drain plugs on these components. Remove the plugs and allow the water to drain out.
  4. Blow water from the jet piping. You can use a shop vac to do this. Connect the shop vac to the jet line and turn it on. Vacuum the water out of the jet line until no more water emerges.
  5. Clean the shell of the hot tub. Use a hot tub cleaner and a non-abrasive sponge to clean the inside and outside of the hot tub.
  6. Clean the filter cartridge. Use a hot tub filter cleaner to clean the filter cartridge. Rinse the filter cartridge thoroughly with water and let it air dry.
  7. Secure the hard cover on the hot tub. Ensure the cover is tightly secured to prevent dirt and debris entering the hot tub.

Optional step:

  • Add hot tub antifreeze to the plumbing. This is unnecessary, but it can help prevent the pipes from freezing and bursting in cold weather. To add antifreeze, pour it into the drain valve and allow it to flow through the plumbing.

Once you have completed these steps, your hot tub will be winterized and ready for the cold weather.

Additional tips:

  • If you live in a very cold climate, you may want to consider wrapping the hot tub in insulation. This will help to keep the water warm and prevent the pipes from freezing.
  • You should also check on your hot tub regularly throughout the winter to ensure the cover is still in place and the water level is not too low.
  • If you plan to use your hot tub in winter, de-winterize it first. This involves draining the antifreeze out of the plumbing and refilling the hot tub with water.

If you don’t winterize your hot tub correctly, you could have cracked pipes, broken equipment, and a costly repair bill. To avoid these problems, follow these seven essential tips for winterize your hot tub.

 A hot tub on a wooden deck in a snowy forest setting. (Winterizing Your Hot Tub)
Relax and enjoy the winter wonderland in your own hot tub. Learn how to winterize your hot tub and keep it running smoothly all season long.

1. Check the Condition of Your Hot Tub

Before you start winterizing your hot tub, you should check the condition of your hot tub and make sure everything is working properly. This includes the valves, the jets, the heater, the pump, the filter, and the blower. 

If you notice any signs of damage or malfunction, you should fix them before proceeding with the winterization process. You don’t want to leave any problems unresolved, as they could worsen over time and cause more trouble when you reopen your hot tub.

2. Clean Your Hot Tub Thoroughly

The next step is to clean your hot tub thoroughly and remove any dirt, debris, or bacteria that might have accumulated in the water or the pipes. You should use a flush line product to remove any gunk from the plumbing system. You can find this product online at your local pool or spa store. Follow the instructions on the label and add the appropriate amount of flush line product to your hot tub water. Then, run the jets and the blower for about 20 minutes to circulate the product through the pipes.

After flushing the lines, you should drain your hot tub completely. Use a sump pump to drain water from difficult areas quickly. A shop vac can remove any remaining water. A shop vac is a powerful vacuum cleaner that can blow air or suck water.

Once your hot tub is empty, you should wipe the surface with a sponge and a mild cleaner. You should also clean your filter with a filter-soaked product. This will help to remove any dirt or oils that might have clogged your filter and extend its lifespan.

3. Add Antifreeze to Your Hot Tub

Adding antifreeze to your plumbing system is one of the most important steps in winterizing your hot tub. Antifreeze is a liquid that lowers the freezing point of water and prevents it from expanding and bursting your pipes. You should use a non-toxic antifreeze that is safe for plumbing and pets. Do not use automotive antifreeze, which could damage your hot tub and health.

To add antifreeze to your hot tub, disconnect the power supply and turn off the circuit breaker. Then, you should loosen all the unions and remove all the drain plugs from the heater and the pump. Next, pour antifreeze into each jet opening until it comes out of the other end. You should also pour antifreeze into the filter housing and the skimmer. Use enough antifreeze to fill up all the pipes and prevent air pockets.

4. Seal All Openings

After adding antifreeze to your hot tub, seal all openings to prevent water or debris from getting inside. You should replace all the drain plugs and tighten all the unions. You should also cover each jet opening with a plastic bag or a rubber cap. This will create a barrier against moisture and insects.

5. Protect Your Equipment

The next step is to protect your equipment from freezing temperatures and potential damage. You should remove your filter cartridge and store it in a dry place indoors. You should also disconnect your heater and pump and bring them inside if possible. If not, you should wrap them with insulation or blankets to keep them warm.

Winterizing a hot tub with RV antifreeze prepares your hot tub for the cold weather and prevents any damage from freezing temperatures. RV antifreeze is a non-toxic antifreeze that is safe for plumbing and pets. It lowers the freezing point of water and prevents it from expanding and bursting your pipes.

6. Cover Your Hot Tub

The final step is to cover your hot tub with a high-quality cover that fits snugly and securely. A good cover will protect your hot tub from snow, ice, rain, wind, and UV rays. It will also prevent heat loss and save energy costs.

Clean your cover with a cleaner before putting it on your hot tub. This will help to remove any dirt or stains and protect it from fading or cracking. You should also use straps or locks to fasten your cover to your hot tub and prevent it from blowing away.

7. Check Your Hot Tub Periodically

Even after winterizing your hot tub, check it periodically to ensure everything is in order. You should inspect your cover for any damage or wear and tear. You should also look for any signs of leaks or cracks in your pipes or equipment. If you notice any problems, you should fix them immediately to avoid further damage.

How to winterize your hot tub

Winterizing Hot Tub Outdoor

To winterize an outdoor hot tub, follow the steps below:

Turn off the power to the hot tub. You can do this at the breaker box or by unplugging the hot tub.

  1. Drain the hot tub. There is usually a drain valve at the bottom of the hot tub. Connect a garden hose to the valve and drain the water into a suitable location.
  2. Drain the pump housing, filter canister, and heater. There are usually drain plugs on these components. Remove the plugs and allow the water to drain out.
  3. Blow water from the jet piping. You can use a shop vac to do this. Connect the shop vac to the jet line and turn it on. Vacuum the water out of the jet line until no more water emerges.
  4. Clean the shell of the hot tub. Use a hot tub cleaner and a non-abrasive sponge to clean the inside and outside of the hot tub.
  5. Clean the filter cartridge. Use a hot tub filter cleaner to clean the filter cartridge. Rinse the filter cartridge thoroughly with water and let it air dry.
  6. Secure the hard cover on the hot tub. Ensure the cover is tightly secured to prevent dirt and debris entering the hot tub.

Related Products in Table

ProductDescriptionSource
Flush line productA product that helps to clear out any dirt or debris from your plumbing system.Local pool or spa store, or online
Sump pumpA device that can help you drain your hot tub faster and easier.Local hardware store, or online
Shop-vacA powerful vacuum cleaner that can blow air or suck water.Local hardware store, or online
Filter soak productA product that helps to clean your filter cartridge and remove any dirt or oils that might have clogged it.Local pool or spa store, or online
Non-toxic antifreezeA liquid that lowers the freezing point of water and prevents it from expanding and bursting your pipes.Local pool or spa store, or online
Cover cleanerA product that helps to clean your cover and remove any dirt or stains.Local pool or spa store, or online

For additional information, visit Hot Tub & Patio, or if you’re interested in more reading, see Guides and Reviews.

Final Words:

Winterizing hot tub is not difficult, but it requires some time and attention. Following these seven essential tips, you can prepare your hot tub for the cold weather and enjoy it again in spring. Happy winterizing!

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