How to Prepare and Protect a Hot Tub in Winter

hot tub in a backyard under a patio cover in the winter season with snow on the ground

As winter settles in, Colorado transforms into a magical wonderland with snow-capped mountains and frosty landscapes. While the chilly weather might make you think twice about stepping outside, there’s no reason to let the cold keep you from enjoying your beloved hot tub. In fact, there’s no better time to take a relaxing soak in the warm waters amidst the snowy scenery. 

However, to ensure your spa remains in top condition and ready for use during the winter months, it requires a little extra care and protection. We’ll walk you through the essential steps to prepare and safeguard your hot tub for winter in the beautiful state of Colorado.

Winterizing Your Hot Tub

Before the winter chill fully sets in, it’s essential to winterize your hot tub properly. Winterizing involves taking specific measures to protect the tub and its components from freezing temperatures. Follow these steps to get your spa winter ready.

Clean and Balance the Water

Begin by cleaning the hot tub thoroughly, removing any debris or contaminants. Then, check and balance the water chemistry—pH levels, alkalinity, and sanitizer levels—using appropriate spa chemicals. Balanced water prevents scaling and corrosion during winter months.

Remove and Clean Filters

Take out the filters, clean them meticulously, and allow them to dry completely. Store them in a dry place until it’s time to use the hot tub again. Otherwise, put them back into the spa for the winter season.

Add a Cover

Apply a high-quality hot tub cover to safeguard the shell from harsh winter conditions and potential damage from snow or ice accumulation. It will also insulate your hot tub and keep it warm and ready to use.

Drain and Flush the Plumbing

Only do this if you don’t plan to use your Colorado spa in winter. Otherwise, skip the flushing and fill with fresh water as you would for any drain and fill, and keep your hot tub’s heater running to prevent the pipes from freezing and bursting.

To prevent water from freezing in the pipes and causing damage, drain your hot tub completely. Use a clean wet-dry vacuum to blow air through the plumbing lines and ensure all water is expelled. This step is crucial in Colorado’s freezing temperatures.

Adding Extra Insulation

Colorado’s winters can be particularly unforgiving, with temperatures dropping below freezing. Enhance your spa’s insulation to maintain the water temperature efficiently and reduce energy consumption. Consider the following steps.

Thermal Blanket

Invest in a thermal blanket specially designed for hot tubs. Placing it underneath the cover creates an additional layer of insulation, keeping the water warm and preventing heat loss.


If possible, position your hot tub near a natural windbreak, such as a fence or wall. Alternatively, you can install a windbreak to shield the tub from chilly gusts, reducing heat loss and preventing snow buildup.

Regular Spa Winter Maintenance

Throughout the winter season, it’s essential to perform regular maintenance checks on your hot tub. Follow these helpful tips to ensure your tub stays in prime condition.

Snow Removal

After heavy snowfall, gently remove snow from the spa cover to prevent excessive weight that could damage the cover or the tub itself.

Check Water Levels

Occasionally check the water levels and top up if necessary. Maintaining adequate water levels ensures the proper functioning of the pump and heater.

Monitor Chemical Levels

Test the water chemistry regularly, even if the hot tub is not in use, to avoid issues with water quality.

Circulate Water

Once a week, run the spa’s circulation system for a few minutes to prevent stagnation and freeze-ups.

Is Your Hot Tub Ready for the Colorado Winter?

With these essential tips, you can confidently prepare and protect your hot tub for winter in Colorado. Embrace the beauty of the snowy season while enjoying the comfort and relaxation of your spa, creating unforgettable memories with family and friends. 

Remember, proper winter maintenance not only keeps your hot tub safe but also ensures it remains a delightful retreat all year round. If you have any questions about caring for your spa in winter or need help finding the right chemicals, reach out to our experts at Colorado Custom Spas. You can also follow us on Facebook or Instagram for more tips and information.

Don’t let the cold hold you back; plunge into the warmth and bliss of your hot tub amidst Colorado’s winter wonderland!

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