How to Operate a Swim Spa in Hot Weather

14th June 2024

As the temperature rises, there’s nothing quite as inviting as a swim spa in your garden or home.

Swim spas have become increasingly popular for providing everything you need to do comprehensive aquatic exercises in a compact and convenient space.

However, operating a swim spa in hot weather can pose certain challenges. High temperatures can affect water quality, chemical balance, and overall comfort.

Proper maintenance is key to enjoying your swim spa safely during the summer months, and here at Hydropool Surrey, we love to help out our customers by providing information all year round on how a swim spa can be used.

In this blog, we’ll explore how to effectively manage your swim spa in hot weather, ensuring a refreshing and enjoyable experience.

Preparing Your Swim Spa for Hot Weather

Cleaning and Maintenance

Maintaining a clean swim spa is crucial, especially during hot weather when bacteria and algae can thrive.

Start by giving your swim spa a thorough cleaning. Skim the surface to remove any debris, then vacuum the bottom if possible. Hydropool Swim Spas will take care or the latter part automatically as they have a built-in vacuum!

Don’t forget to inspect and clean the filters regularly. Clogged filters can reduce efficiency and water quality, so rinse them weekly and replace them as recommended by the manufacturer.

Adjusting Water Temperature 

Hot weather calls for cooler water.

The ideal swim spa temperature in the summer is around 25-28°C. All swim spas in the collection here at Hydropool Surrey come with a digital control panel where you can easily adjust the temperature. Keeping the cover on when not in use helps maintain the desired temperature and prevents debris from falling in.

Enhancing Your Swim Spa Experience in the Heat 

Shade and Shelter 

Direct sunlight can make your swim spa uncomfortably warm.

Installing a canopy or gazebo provides shade and helps keep the water temperature down – although the latter of course isn’t always necessary in the UK!

Large umbrellas are also excellent options.

17AX Trainer

Additionally, consider planting trees or tall shrubs around the swim spa area to create natural shade. This not only cools the space but also adds a touch of nature to your workout zone and while you may not reap the rewards this year, it will certainly pay off in the future.

Cooling Accessories 

To further enhance your comfort, use fans or water misters around your swim spa area.

Misters create a fine spray that cools the air, while fans provide a refreshing breeze which can provide a bit of respite from the heat whilst exercising.

As the weather in the UK gets increasingly hotter, these accessories may become more necessary.

Safety Tips for Using a Swim Spa in Hot Weather


Staying hydrated is essential when spending time in a swim spa.

The combination of heat and water can lead to dehydration more quickly than you might expect.

Keep a bottle of water or an electrolyte drink within reach and take regular sips to ensure you are always nice and hydrated. Avoid alcohol and caffeinated beverages, as they can increase dehydration.

Sun Protection

When the UV levels are high and the heat is ramping up, it is crucial to use protection from the sun.

Apply a water-resistant sun cream to all exposed skin 15 minutes before getting in the water.

Reapply every two hours or immediately after swimming.

Wearing a hat or other clothing such as bodysuits can also help protect your skin from harmful rays.

While you may be in the water, if you are performing strokes such as breaststroke or backstroke, your body will still be exposed to the sun and therefore it is easy to get burnt without realising.

Monitoring Time and Health

Limit your time in the swim spa to avoid overheating.

It’s easy to lose track of time when you’re working out, so set a timer for 20-30 minutes to ensure you don’t go too far.

You can always go again after a break, but having a pause and getting out of the heat for a while is always a good idea.

Be aware of the signs of overheating, such as dizziness, headache, rapid heartbeat, or nausea.

If you experience any of these symptoms, get out of the water immediately and cool down in a shaded area.

Keep a first aid kit nearby and know the basics of treating heat-related illnesses.

Post-Use Care and Maintenance

Cleaning After Use

After enjoying your swim spa, take a few minutes to clean it.

Remove any debris and contaminants that may have accumulated. Skim the surface, empty the skimmer basket, and give the filters a quick rinse.

This routine helps maintain water quality.

Covering the Swim Spa

Using a cover when the swim spa is not in use is essential.

It helps keep the water clean, maintains the temperature, and protects the spa from the elements.

There are various types of covers available, from basic tarps to insulated and automated covers.

Choose one that fits your needs and budget. A well-fitting cover also ensures safety by preventing children and pets from accessing the spa unsupervised.

If you want to know some great options available to you, then get in touch with our team who would be happy to give advice and suggestions.

Swim Spas from Hydropool Surrey

Using a swim spa in hot weather can be an enjoyable experience as you work out in a lovely climate, but when things get too hot you must be careful to not cause any damage to your swim spa or yourself.

By following this advice from the team at Hydropool Surrey, you should be all set to get out in the sun, dive in, stay cool, and make the most of your swim spa this spring and summer.

If you want to know more or would like to visit our showroom and check out our full range of swim spas, then get in touch today.