If you’re a proud hot tub owner, we’d wager you’ve already got your hot tub maintenance routine down to a tee. But if you’ve only just purchased your first tub, you might still be getting used to the care necessary to keep all its systems in good working order – including cleaning your hot tub filters.

Just one part of the overall jacuzzi cleaning process, knowing how to clean a hot tub filter the right way is nevertheless an essential step to learn if you want to keep your tub running seamlessly for years to come.

Fortunately, cleaning a hot tub filter is a lot simpler than you might expect; all you need is the right cleaning products and a sink, and you can enjoy fresh hot tub water each time you want a soak.

Read on if you’re ready to clean your hot tub filter for the first time, including tips for why it’s important to clean your filter in the first place, and how you can make your hot tub filters last longer before replacing them.

What is a hot tub filter?

To start with, let’s first clarify exactly what a hot tub filter is. Simply put, it’s one of the most important parts of your hot tub’s entire system, and its primary role is to make sure that any water that goes back through the pump and heater is clean and free of any debris.

Essentially, a hot tub filter is there to deliver a hygienic bathing experience for you and anyone else using your tub. Without it, you’d simply be circulating the same dirt and bacteria through your systems until you eventually choose to vidangez votre spa.

As a result, if you experience any issues with your hot tub filter, or you fail to regularly clean it, you run the risk of not only damaging your hot tub systems further down the line but also making yourself ill when using your tub.

What are the different types of hot tub filters?

Generally speaking, there are several types of hot tub filter options out there that your hot tub might use, including:

  • Cartridge filters
  • Ceramic filters
  • Sand filters
  • DE filters

However, the latter three of these four filters are not particularly common in UK hot tubs, so you’ll likely find that your tub uses a cartridge filter to help clean your water, all of which can be easily cleaned by hand.

Why is it important to keep my hot tub filter clean?

As we’ve already highlighted, the main reason you should be cleaning your hot tub filters regularly is to maintain good water hygiene. But this is not the only reason. In fact, by not carrying out regular hot tub filter cleaning, you run the risk of damaging your hot tub in other ways:

Damage to other parts

First and foremost, dirty water filters are liable to cause damage to other key hot tub systems, such as the heater, sensors, or pumps, by allowing dirt deposits to build up in their systems. While not often an immediate issue, eventually, these parts could break from the backlog of debris and need to be replaced, becoming an ongoing cost that you ideally don’t want to have to fork out for.

Low flow rates

Besides hot tub damage and poor water quality, the other likely outcome of not cleaning your hot tub filters is a phenomenon known as low flow. Low flow occurs when your hot tub struggles to produce the right amount of water and pressure flow throughout your hot tub system.

As a result, the sensors on your hot tub will take note of this and cause your water heater to turn off and less pressure will be directed to your jets, all of which could result in your hot tub energy efficiency dropping.

What is the best way to clean a hot tub filter?

Now you know why it’s important to regularly clean your hot tub filter, it’s time to look at the best way to clean a hot tub filter so you’re not there scrubbing for hours to get every inch of dirt off.

Below are our recommended methods of cleaning a hot tub filter for optimum results:

1. Give your filter a thorough rinse

If you’ve only recently bought your hot tub and haven’t been using it every single day, then there’s a good chance that your tub’s filter is not overly dirty. In which case, all you’ll need to do to clean it is turn off your tub, remove your filter, and give it a thorough rinse in your sink or with a hose.

Once rinsed, all you have to do is leave it to dry completely over the course of a morning or evening before reinserting it and making sure that all your hot tub systems are working as normal.

2. Applying a filter-cleaning spray

Should you remove your hot tub filter and find that a rinse isn’t cutting it, your next hot tub filter cleaning method should be to apply a filter cleaning spray. Simply choose your preferred cleaning product and follow the instructions provided to get started.

After applying the spray, we recommend waiting either 15 minutes or the time listed on your cleaning solution before rinsing your filter with water and leaving it to dry completely before reinstalling it.

3. Soaking your filter overnight

Finally, if you want to avoid using any specific sprays or filters when cleaning a hot tub filter, then your best option is to soak your filter in a bucket of water mixed with filter cleaning solution overnight.

These solutions are designed to break down the gathered oils in your filter’s pleats and give the entirety of its structure a deep clean. Come the morning, you should only need to rinse your filter and leave it to dry before placing it back inside your hot tub.

How often should I clean my hot tub filters?

How often you should carry out hot tub filter cleaning is technically up to you, and you can get away with leaving several weeks between each clean if you’re thorough. However, for maximum hygiene, we recommend you clean your hot tub filters at least once every fortnight, and weekly if you use your tub every other day.

To keep things simple, your weekly hot tub filter clean can be kept to a quick rinse. This will save you time and means you can likely wait a full month for a simple chemical rinse, and until you drain your hot tub entirely to perform a full overnight chemical clean.

Choose a quality hot tub with Platinum Spas

And there you have it, cleaning a hot tub filter really is that easy! Although it can seem a little time-consuming, hot tub filter cleaning really isn’t something to be ignored, and you’ll certainly thank yourself down the line when you only need to replace your hot tub filter rather than one of your tub’s essential components.

However, if you currently own a hot tub that’s nearing the end of its life, or you want to invest in your first at-home spa bath, the Platinum Spas has you covered with our fantastic range of high-quality hot tubs and spas de nage.

Built using the latest in modern hot tub technology, our hot tubs are some of the most impressive on the market. Why not book an appointment in your local hot tub showroom to see our range in person, and don’t forget to visit our owners’ hub for more hot tub guides?

Hot tub filter cleaning FAQs

Although it is technically safe to use vinegar when cleaning hot tub filters, in our experience, it isn’t nearly as effective at removing dirt and bacteria as using an official hot tub filter cleaner.

Again, it is possible to soak hot tub filters in bleach, but we would not recommend doing so. This is because bleach and most other household cleaning products are likely to damage the fibres of the filter, significantly reducing their lifespan and forcing you to replace your filters sooner than expected.

If you’re looking to carry out a deep clean of your hot tub filter, we recommend a minimum soaking time of 8 hours. Most people do this overnight before rinsing and reinstalling the filter in the morning.

As each hot tub model is different, it’s important you use the correct filter for the Platinum Spas hot tub you’ve purchased. Please refer to our filter guide to make sure you’re using the right filters, or if you are still unsure, contact a member of our team with your make and model and they’ll be happy to inform you which filters you’ll need.

Jamie Smith
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