How Long Do Hot Tub Filters Last and When Should You Replace Them?

This article will teach you about the life span of hot tub filters and how to care for them properly so they last longer.

You've probably heard that hot tubs should be cleaned regularly. But you might wonder, "How long do hot tub filters last?" If you're like most people, you've probably never thought about it before. But as a matter of fact, hot tub filters can last for years. And the good news is that you don't have to worry about replacing them yearly. In fact, you should expect to be able to use your hot tub for a few years after you replace your filter. So, what makes hot tub filters last so long? And what do you need to know about cleaning and maintaining them? Read on to learn more.

What is a hot tub filter?

A hot tub filter is a plastic cartridge that contains paper material that removes contaminants from your hot tub. It helps maintain the quality of the water that enters your hot tub and can also prevent clogging your pipes and the plumbing.

Hot tub filters ensure your hot tub is free from debris. Paper filters are not expensive. They are straightforward to install and use. They can be removed and replaced easily. If you want to keep your hot tub water quality, you must regularly replace your hot tub filter.

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Filters are essential equipment for all hot tubs, whether one person or multiple.

How Long Do Spa Filters Last?

How long your filters will last depends on certain factors, like how often you use your hot tub and how many people use it. Frequent use can wear out your filters much sooner, as does heavy use.

One way to know how long your filter would last is to set a cleaning schedule. This is useful if you're using your hot tub regularly. You should plan to replace it after every ten, fifteen, or twenty cleanings.

Over time fibers get worn out and lose their ability to trap dirt. You may notice that the fabric fibers are stretching a little bit. This can make it easier for water to pass through. If you still find dirt and debris after circulating water in your hot tub for a couple of hours, you probably need to replace your filters.

how long do spa filters last

No matter how you take care of your filters, they will eventually wear out. Paper filters normally last between one to two years. Ceramic filters can last a lot longer - between three to four years - but may also cost more than paper filters.

How Often Do You Clean a Hot Tub Filter?

Hot tub filters must be cleaned regularly, preferably once every two weeks. Doing this will keep the hot tub water clear and free of debris. Just remove the cartridge and gently clean it with water and a hose.

Some people use jets to clean their filters, but doing so could shorten your filter's life span. If you want a deep clean, you can soak your filter in a cleaning solution overnight and rinse. Contaminants like oils, makeup, and lotions are tough to remove using just water. Soaking your filter in a cleaning solution once a month will fix the issue.

How to make your hot tub filter last longer

Regular cleaning will help your hot tub filter to last longer. Waiting for your filters to get clogged before cleaning them can shorten their life span. Refrain from using water jets and only use a garden hose to remove dirt and debris gently. For tougher stains and oils, soak your filters overnight in a cleaning solution and rinse.

how to make your hot tub filter last longer

With proper care, a good quality filter can last you more than a year. But if you want to take it up a notch, ceramic filters are the way to go.


Hot tub filters work best when they're cleaned and maintained properly. Cleaning your filters should only take 10 to 15 minutes and won't cost you anything. It's pretty easy to do, but it can go a long way when it comes to extending the life of your filters.