how to clean the pool filter cartridge


Author: PoolKing - Pool Sand Filter Manufacturers

As the summer heat starts to set in, taking a dip in a swimming pool is nothing short of a miracle. Not to forget, the time spent with family and friends while relaxing on a pool floatie is unbeatable. But as the pool season kicks off, it is essential to make sure that your pool is clean and safe for you and your loved ones. And a clean pool filter cartridge plays a crucial role in maintaining pool hygiene.

Your pool filter cartridge is responsible for trapping dirt, debris, and hair that arrives with swimmers, or debris blown by the wind. Over time, this filter becomes clogged, which may lead to an inefficient filtration system, low water flow, and cloudy water. In short, pool filter cartridges demand your attention! Here is a step-by-step guide that will show you how to clean the pool filter cartridge regularly.

1. Turn off the pool pump:

Before beginning your cleaning process, make sure to switch off your pool pump.

2. Remove the filter:

Access your filter housing and unscrew the filter. If you have a cartridge filter, carefully remove the cartridges inside.

3. Rinse:

Using a garden hose or a pressure washer, hold the filter cartridge and hose it down, starting from the top and working your way down. Make sure to rinse all the debris that has been trapped inside. The rinsing process includes spraying water from all directions, including the nooks and crannies in between the folds.

4. Soap It Up:

After a thorough rinsing, apply filter cleaning solution, according to the manufacturer's instructions. Allow the solution to sit for some time, depending on its guidelines.

5. Rinse again:

Once the solution has sat on the filter for the recommended time, rinse it thoroughly with a high-pressure hose or a garden hose, to remove any residual cleaning solution.

6. Refit the filter:

Once you have cleaned your filter cartridge, fit it back into the filter housing, ensuring it is fitted correctly.

7. Turn the pool pump back on:

Restarting the pool pump would complete the process.

Here are some more tips that you could leverage when cleaning your pool filter cartridge:

1. Check The Filter Regularly:

If you live in an area that is prone to high wind, has a lot of debris or trees close by, it is recommended to check your filter cartridge once a week. If your pool is used sparingly, you could check it once or twice a month.

2. Follow Manufacturing Instructions:

Make sure you read the manufacturer's instructions before cleaning your filter cartridge. You can contact the manufacturer if you have any concerns or doubts regarding your filter.

3. Maintain Filters Regularly:

Proactive maintenance measures can go a long way, including regular vacuuming of the pool, skimming or brushing the pool, and chemical treatment of the pool.

4. Use A High-Grade Cleaning Solution:

It is recommended to use a high-quality cleaning solution that is designed for cleaning pool filters.

5. Replace The Filters Regularly:

It is essential always to keep track of when you cleaned your filter cartridge. If you notice any visible tears or damages, it is recommended to replace the filter cartridge, instead of cleaning it.


Investing in a pool filter cartridge’s regular maintenance will not only extend the filter’s lifespan but also ensure the longevity and cleanliness of your pool. A pool filter cartridge that is cleaned regularly and properly can save you a considerable amount of money that could be spent filtering or replacing your pool’s equipment. Follow the guidelines, invest in good quality cleaning agents, and make pool maintenance a part of your routine.


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