how often do you change above ground pool filter


Author: Poolking - Swimming Pool Equipment Manufacturer

How Often Do You Change Above Ground Pool Filter?

When it comes to maintaining an above ground pool, one of the most important things you can do is to keep the pool filter clean and functioning properly. This ensures that the water is free of debris and bacteria, and helps to keep the pool looking crystal clear. However, it’s important to keep in mind that filters don’t last forever, and there will eventually come a time where you need to replace them. So, just how often should you change your above ground pool filter? Below are some factors to consider.

1. Frequency of Use

One of the biggest factors that determines how often you need to change your above ground pool filter is how often the pool is used. If you have a larger family, or you host frequent pool parties, then you’ll likely need to change the filter more often than someone who only uses their pool occasionally.

2. Filter Type

Another factor to consider is the type of pool filter you have. There are three main types of above ground pool filters: cartridge filters, sand filters, and diatomaceous earth (DE) filters. Each type has a different lifespan, with cartridge filters usually lasting the shortest amount of time (one to two years), and DE filters lasting the longest (up to five years).

3. Quality of Water

The quality of the water in your pool can also have an impact on how often you need to change your pool filter. If your pool is located in an area with hard water or high levels of minerals, then your filter may need to be changed more frequently. Similarly, if you have a lot of trees or foliage around your pool, then you may need to change your filter more often to keep up with the leaves and other debris that can get into the water.

4. Maintenance Level

Finally, how often you change your above ground pool filter will also depend on how well you maintain your pool overall. If you’re diligent about cleaning your pool regularly, then your filter may not need to be changed as often as someone who doesn't clean their pool as frequently. On the other hand, if you neglect your pool and let it become dirty over time, then your filter will likely need to be changed more often.

So, how often should you change your above ground pool filter? Ultimately, there’s no one-size-fits-all answer to this question, as it depends on several factors specific to your pool and usage habits. However, as a general rule of thumb, it’s recommended that you change your filter at least once per year. If you notice that your pool seems cloudy, dirty, or has a strong chemical smell, then it may be time to change your filter sooner than that.

In addition to changing your filter regularly, there are other steps you can take to keep your above ground pool clean and functioning properly. These include regularly testing the water pH and chemical levels, brushing the pool walls and bottom, and skimming the surface of the water for debris. By following these best practices, you can enjoy crystal-clear water and a healthy, well-maintained above ground pool all summer long.


Maintaining an above ground pool can be a lot of work, but it’s worth it to keep your pool looking beautiful and functioning properly. By keeping your pool filter clean and replacing it as needed, you can ensure that your pool water stays free of debris and bacteria. So, if you’re wondering how often you should change your above ground pool filter, remember to consider factors such as usage frequency, filter type, water quality, and maintenance habits, and aim to change your filter at least once per year. With a little effort, you can enjoy a summer full of fun and relaxation in your beautiful above ground pool.


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