Preparing Your Hot Tub for Fall

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The warm days of summer are coming to an end and we’re beginning to feel the crisp, sharp air of fall. As the weather shifts into an autumn chill, most people find themselves enjoying their hot tubs on a more frequent basis.

Now is the perfect time to prepare your spa for fall use. Follow these simple steps and you’ll get the most out of your hot tub this season!

Woman in wood hot tub enjoying fall
Everyone loves fall hot tubbing.

Draining & Refilling Your Hot Tub

The hot tub drain and refill is something you’re already doing 3-4 times a year, but are you doing it right? Here’s the breakdown:

Spa System Flushing

Flushing your spa plumbing system prior to draining will save you time in the long run by eliminating scum build-up in the pipes which often cause water balancing problems if left unchecked. We recommend Spa System Flush for its unsurpassed cleaning performance and economical price.  


Start your hot tub draining procedure by powering off the spa, then flipping the breaker at the breaker panel or disconnect box for safety.

Hot Tip: Prior to shutting off power, check the GFCI to ensure that it is functioning properly. To do this, press the “test” button.

Once the spa is powered down, resume your normal draining routine.

Want to speed up that draining routine? Drain pumps are just the ticket for fast, efficient water evacuation.

Can’t find a drain? Surprise, your tub may not have one!


Before refilling your spa, wipe down the shell with a rag and gentle non-foaming cleanser. This will remove the remaining contaminants and help you to start your hot tub with cleaner clearer water.

If you have well water or live in an area with hard water, consider using a hose-end pre-filter to filter out excess minerals and other particulates before they enter the spa. A pre-filter can also prevent hard-to-remove water line stains and scale build-up on the equipment.

That’s what I call high quality H2O.

Cleaning/Replacing Your Filter Cartridge

Cleaning your filters every time you drain and refill your spa is crucial. Not only because a clean filter promotes cleaner water and reduces cloudiness, but also because it increases the longevity of the filter itself.

With regular cleaning, your filter should be replaced about once a year. So, if you replaced your filter last fall, it’s time for a new one.

Hot Tub Cover Care

Early fall is the perfect time to clean and treat your spa cover for the coming cold season!

To properly clean your cover:

303, Spaange & Spa Clean
The right tools for the job, available in a handy kit.

Read more about Proper Spa Cover Care.

Energy Conservation

Your spa doesn’t have to cost more during the fall and winter! Adding an insulating ThermoFloat spa blanket can reduce heat loss due to evaporation by up to 95%. These blankets provide a layer of insulation in addition to your hot tub cover. The blanket lies directly on top of the water, preventing evaporation and protecting your spa cover at the same time. Now that your hot tub is clean and ready for fall, it’s time to enjoy it!

Have questions about hot tub maintenance? Post a comment below and receive free advice from our experts!


  1. just moved my tub and did not put the one inch cement blocks back under the middle. only around the outside edge/ will it hurt to not have the center support in the middle. it has been on the blocks for years, but had a few under the center. can I just jack up the side and slide them under. to heavy for two old people to lift. thanks.

    Liked by 1 person

  2. Hi Margie, You do want to be sure that the entire underside of the spa is supported. Spas are designed and built to be placed on solid concrete pads, so you want to mimic a concrete pad when using cement blocks. Thanks! Mark The Spa Depot

    Liked by 1 person

  3. We recently purchased a new hot tub set to be delivered this week! We have well water high in iron and sulfur (both of which stain quickly and have a horrible smell) We currently run our water through a pre filter than water softner than an ozone filter system. Just curious what our best option is for filling the hot tub! Can”t wait to enjoy it!

    Liked by 1 person

  4. Hi Lisa, I would recommend the PreFresh hose-end water filter in addition to the other filters you are using. This will help filter out tiny iron and mineral particles your other filters may have missed: Even with all the filtration you have, it is a good idea to use Metal Free to make sure your spa does not get stained, and that minerals do not build-up on spa equipment. Here is the link to Metal Free: I hope this helps! Please let me know if you have any additional questions. Thank you, Mark The Spa Depot

    Liked by 1 person

  5. Very seldom do I see an important article that is both enlightening and pleasurable, and without a doubt, you”ve hit the nail on the head.

    Liked by 1 person

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