How to install water cartridges for your inflatable hot tub?

Have you ever wondered what water cartridge to buy for inflatable hot tub? Or had trouble working out how to install the cartridge? Then this guide is for you…

Choosing the cartridge

Never go with generic brands when buying filters. The filter does a lot of work keeping your hot tub running smoothly, and as such, you should choose a trusted brand.

Also, choose a filter that matches the size of the hot tub and frequency of use.

When choosing a filter, buy a brand that is not hard to find. If yours is hard to find, buy more than one to ensure you have a backup.

water cartridge

Installing the cartridge

Installing your filter is an easy task if you follow these steps.

Find the location of the filter. You can check the manual or manufacturer’s website.

Clean the housing assembly after removing an old filter.

Installing is the reverse of removing the old filter. Once you install the new filter, you can decide to keep the old filter or throw it in the trash.

Using and cleaning the water cartridge

Maintenance should be done after 2 or 3 weeks depending on the frequency of use. It is simple and takes a few minutes since it involves removing things like hair, skin, leaves and other debris from the filter. You can finish by rinsing it off and checking if all the debris has been removed.

After 2 or 3 months, you need to do a more analyzed form of cleaning. Here are some great ideas for cleaning your filter.

  1. You can buy a filter cleaning cartridge that provides an automated way of cleaning the dirty filter. It will clean the filter without you having to do any work. You can have one as they are not expensive and come in handy just in case.
  2. Another option is to use chemicals like Acid Magic. Using acid cleaning products is recommended if you find your filter incredibly blocked. If you want to get a different brand, ensure you do your research and get one that is safe for hot tubs.
  3. You can also use overnight soakers like Eco Soak and Power Soak. You only need to fill a bucket with enough water to cover the filter, dilute with one of the chemicals, let it soak overnight and rinse it thoroughly. The products are strong, so you should follow the diluting instructions.

There are home remedies that are hard to recommend. It includes using vinegar, car wash products, dish washing detergent or laundry detergent. These products are not good for your filter.


Following this guide will show you how to choose, install, clean and maintain your filter. Taking care of your filter properly will ensure that it serves you for a long time. Remember that you need your filter for your hot tub to work.

James Williamson

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