5.28.2023

How to Clean a Hot Tub: Pro Tips to Keep it Spotless - Home and Garden

Using a hot tub is a great way to relax and unwind. But it won't be fun if the surroundings aren't beautiful and pristine. To ensure this, you must have a thorough understanding of how a spa is cleaned and commit to doing so on a regular basis.

It may seem like a chore, but spa cleaning is not expensive if done on time, nor is it difficult. Cleaning keeps your water clear, nice and fresh and your hot tub stays hygienic.

To make the process easier, we've put together a step-by-step guide on how to clean a hot tub and keep it in tip-top condition.

How to clean a hot tub in 5 easy steps

A hot tub can be treated with sanitizing chemicals to control microorganisms and other contaminants. However, this is not a substitute for regular cleaning. Disinfection and cleaning are key to keeping a spa clean and fun for everyone.

You will likely need to deep clean a garden spa three to four times a year. Your filters will likely need to be cleaned monthly. However, always check and follow the manufacturer's recommendations.

These are the steps to cleaning a hot tub on your patio or patio.

Cleaning a hot tub with chemical products

(Credit: Bill Oxford/Getty Images)

1. Flush the lines

Before draining and cleaning the hot tub, it is important to flush the plumbing. "Flushing a hot tub's plumbing prior to cleaning is essential as it helps remove biofilm, scale and other contaminants that can build up in the plumbing system over time," says Hubert Miles , NACHI-certified pool and spa operator -Inspector.

"These scale materials can harbor bacteria and decrease the overall efficiency of your spa. Flushing the lines with a special line flushing agent prior to draining and cleaning ensures that your hot tub's internal components remain in good working order, providing users with a safer and more enjoyable experience.

Use the spa line rinse aid as directed in the instructions, including the time indicated. Usually this is done during operation to circulate the cleaner.

2. Drain the spa

To avoid damage to the spa, it is important to turn it off before cleaning. Disconnect it or turn it off at the circuit breaker.

You can then drain the water from the whirlpool. There are other ways to drain a hot tub. Therefore, be sure to read the manufacturer's instructions. Use a garden hose connected to the drain valve to drain. Note, however, that this may take an hour or two.

The alternative method is to use a submersible pump. Plug in the pump and connect the drain hose. Place it in the deepest part of the tub and turn it on. If it doesn't come with an auto shutoff feature, be sure to keep track of the progress so you can turn it off when the water runs out.

3. Clean the hot tub

Once the hot tub is empty, it can be cleaned. "It's usually best to use a special spa cleaner," explains Hubert Miles. "Spa cleaners are specifically designed for spa materials and conditions to ensure thorough cleaning and protect your investment."

Use the cleaner on the spa surface, including the jet area, according to the product instructions. Always use a soft cloth to avoid damaging the tub. After cleaning, rinse the tub and then dry it with a towel.

4. Clean the filter

It is important to clean the spa filter. "Cleaning the spa filter is critical to maintaining water quality and the efficient operation of your spa," says Hubert Miles. "A dirty filter can restrict water flow, causing your spa's circulation system to work overtime and increasing energy consumption.

"Also, a clogged filter may not effectively trap contaminants, reducing water clarity and posing a potential health risk to users."

The spa filter should be cleaned every four weeks by removing it and using a garden hose to remove any debris. However, steps in your spa cleaning routine also include a deep clean.

To do this, first rinse it off with a garden hose, then soak it in a bucket of filter cleaning solution according to package directions. Then rinse and let dry before reapplying.

5. Fill the hot tub

Once the spa and its filter are cleaned, the spa can be refilled according to the manufacturer's instructions. The hot tub can then be switched on so that you can once again enjoy the many benefits of the hot tub in your garden.

Treat the water with the required chemical combination and ensure levels meet the recommendations in the manual before using again.

How to clean a hot tub without draining it

A hot tub can be cleaned without draining it. Note, however, that this should never replace regular draining and cleaning.

"Cleaning without a drain uses a floating hot tub cleaner or specialty vacuum that can remove dirt and debris from the water's surface and bottom," says Hubert Miles.

"While this method helps maintain water quality between deep cleans, it does not eliminate the need for regular flushing and deep cleaning to remove debris in pipes and other hard-to-reach areas.

skimmed water from the whirlpool

(Image credit: Getty Images)

frequently asked questions

What is the quickest way to clean a hot tub?

The quickest way to clean a hot tub is to first remove all debris from the water. Using a soft, damp cloth, wipe away any stains on the sides of the tub and wipe down the control panel and cushions. Also clean the cover.

You should also check the level with test strips and add chemicals if necessary. Remove the filter, rinse with a garden hose to remove any debris, and replace.

Keep in mind that a quick cleaning shouldn't replace the deep cleaning that needs to be done every few months.


Just as maintaining an optimal hot tub temperature is essential to the safe use of your outdoor hot tub, implementing a good cleaning regimen is also vital.

If you don't do the cleaning consistently (or do it incorrectly), your hot tub can harbor harmful bacteria that can lead to skin irritation or bacterial infections. So be sure to keep this on your to-do list. from your garden

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