Well, it’s time to change the hot tub filters. How should I do this?  I don’t want to damage anything!

There’s nothing to fear here. This is a simple, quick and easy operation.

Firstly, how long can we expect the filters to last and how often should I change them?

If you are using your hot tub two or three times per week, you can expect quality Darlly filters to last twelve months or more depending on usage. During this time, you should be routinely gently cleaning the filters at regular intervals. Regular inspections should give you a good indication of cleaning intervals required for your hot tub usage. 

Darlly filters contain a high-quality durable filter material which ensures a longer service life, meaning they can tolerate many cleaning cycles without losing strength, integrity and efficiency.   

Dependent on the specification of your hot tub, there may be one or two filters.

To change the filters, the pumps should be turned OFF.

Remove the filter housing lid which normally unscrews or unclips. 

Next remove the leaf-catcher basket if fitted (without letting the debris into the water) This reveals the filter(s) beneath.

Carefully remove the filter without disturbing any debris captured in the filter. Depending on the filter, this will now either unscrew or just lift out with a slight twist just to release it.

When fitting new filters, if the filters have one or more thin bands around circumference of the filter pleats, this is part of the filter construction and should be left attached as it maintains the separation of the pleats.

After checking for any debris remaining in the filter area, the replacement filter(s) can now be fitted in place, ensuring bottom of filter is pushed on and is seated correctly or screwed down securely. 

Refit the leaf catcher basket and the filter housing lid ensuring that everything is fitted as designed and is secure.

Please see our other topics on filter care, including ‘How to clean a dirty hot tub filter’. 

For continuous hot tub enjoyment, having two sets of filters gives you the opportunity to quickly change the filters and then immediately continue enjoying your hot tub. The removed filters can then be cleaned and allowed to dry at a more convenient time. It is important the allow the filters to dry completely before refitting back into the hot tub.

If you will be cleaning the filters you have just removed, don’t forget to use the Darlly Cyclone Filter Cleaner (SC785) filter cleaner and detergent to truly clean the filters. You wouldn’t wash your clothes without detergent.

We hope that this topic has been helpful. If you have any suggestions for future hot tub filter topics, please don’t hesitate to get in touch, we will do our best to help you! 

Happy Hot Tubbing!!!!

The Darlly Team