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Maintenance

HOT TUB MAINTENANCE GUIDE

In addition to daily water care, a hot tub requires regular maintenance, cleaning, and servicing to keep it running smoothly.

This section provides an overview of recommended daily, monthly, and yearly practises that will prolong the life of your spa and ensure safe use by bathers.

Daily Maintenance

It is recommended to test and adjust chemical levels daily to maintain a correct level of the sanitiser, pH and Total Alkalinity.

Simply dip a testing strip and compare the colours against the bottle to check if the water is balanced. If the water is not balanced then add the appropriate chemicals and run the jets to ensure the water circulates and mixes well, then retest. 

Adding small amounts of chemicals at a time ensures the water does not overcorrect and ensures no wastage. 

For the full details to keep the water sparkling clean and troubleshoot any issues you might experience, read our Troubleshooting page.

Fortnightly Maintenance

Every two weeks, it is advised to wipe down the sides of the hot tub and clean the filter, using a Filter Cleaning product or spraying with a hosepipe. 

To enhance the lifespan of your filter allow it to fully dry before use; swapping between two filters means you can get back to using your hot tub straight away.

Your filter should then last around 6 months before needing to be replaced.

Three-Monthly Maintenance

Every 3-4 months your hot tub should be thoroughly cleaned and refilled with fresh water.  

Before draining the spa, use a System Flush product to clear out any build up from the pipework. Then, to drain the spa, turn the power off and open the drain valve (remove the main screw and twist the outer collar). After most of the water is drained, remove any remaining water with a bucket or a wet vacuum cleaner.

Once empty, use a soft cloth and a Surface Cleaner product to clean the hot tub shell and remove the large jets to clean behind them. Using the surface cleaner, wipe down the headrests and hot tub cover to remove any residue.

Refilling Your Hot Tub and Treating New Water

To refill your hot tub, remove the filter and open all the valves. Then, place a hosepipe down the filter housing and start filling it up with water. When water reaches 1” above the lights and 1” below the headrests remove the hosepipe and turn the hot tub on. This helps to reduce the chance of an airlock. 

To treat fresh water in the tub, when the water has heated to above 26’c, balance the Total Alkalinity, pH and sanitiser levels by testing the water and adding the appropriate chemicals. Then use a Non-chlorine shock to oxidise impurities as instructed on the container.

Annual Services

Once a year, your hot tub requires a Full Hot Tub Service from a Blue Whale Spa engineer or a pre-approved hot tub professional to stay within warranty. This helps to keep all parts in good working order and prevent maintenance issues such as limescale.

During this annual service the spa is professionally deep-cleaned and inspected, and any maintenance recommendations are shared.

Winter Shutdowns

Your hot tub is designed to run throughout the year but if you are not planning on using your hot tub in the winter a full shutdown is required to prevent damage. If any water freezes in the pipes or components it can cause leaks and even damage expensive parts. 

First, drain and thoroughly clean your hot tub as you would during a quarterly maintenance. Then, disconnect the pumps and heater and use a wet-dry vacuum clean to remove the last of the water. Remember to hoover behind the jets to prevent water pooling. Close the pipes back up, checking and replacing any worn seals. 

While the hot tub is closed down, do not replace the filter but leave to dry or replace in the spring. 

Alternatively, book in your annual service for the beginning of winter and our engineers will winterise your hot tub after completing the service.