how to remove sand from pool filter


Author: Poolking - Swimming Pool Equipment Manufacturer

How to Remove Sand from Pool Filter

Swimming pools are great for cooling off on hot summer days, but they require maintenance to keep them clean and functional. One of the most important parts of a pool system is the filter. Filters help remove impurities from the water, but they can become clogged over time. When sand gets stuck in a pool filter, it can cause serious problems. In this article, we will guide you through the process of removing sand from your pool filter.

Understanding Your Pool Filter

Before attempting to remove sand from your pool filter, it is essential to understand how it functions. In general, filters work by passing water through a porous material that removes impurities. There are three main types of pool filters: sand filters, cartridge filters, and diatomaceous earth (DE) filters. Sand filters are the most commonly used systems for home pools, and they operate by trapping particles in a sand bed. Sand filters have a backwash setting that reverses the flow of water and flushes out trapped debris.

Why Sand Gets Stuck in Filters

When sand gets stuck in your pool filter, it is usually because the filter has become clogged with debris. Sand filters can also become blocked by using the wrong type of sand or an excessive amount of sand. Sand filters require a specific type and amount of sand, and adding too much sand can reduce the efficiency of your filter. If your pool water has a high concentration of debris, your filter may become clogged more quickly.

How to Remove Sand from Your Pool Filter

Removing sand from your pool filter is a straightforward process, but it requires some care and attention. Here are the steps to follow for removing sand from your pool filter:

Step One: Turn Off Your Pool Pump

Before beginning any work on your pool filter, the first step is to turn off your pool pump. This will prevent water from flowing into the filter and making a bigger mess. You should also disconnect your filter from any power sources.

Step Two: Remove the Filter Cover

Most pool filters have a cover that can be removed to access the filter element. Remove the cover and set it aside.

Step Three: Release the Pressure

After removing the cover, you may notice that there is some pressure built up in the filter. Release this pressure by opening the air bleeder valve or the pressure release valve. You can find these valves on the filter housing.

Step Four: Remove the Sand

Once the pressure has been released, you can begin to remove the sand. First, use a scoop or shovel to remove as much sand as possible. Then, use a hose to wash out the remaining sand. Be sure to wash away any debris that may be stuck in the filter. If necessary, use a brush to scrub the sand bed to remove any caked-on dirt.

Step Five: Replace the Sand

After you have removed all the sand, you can replace it with new sand. Make sure you use the recommended type and amount of sand for your filter. Spread the sand evenly across the filter bed to ensure that it is distributed uniformly.


Removing sand from your pool filter should be a regular part of your pool maintenance routine. By understanding how your filter works and following the steps we have outlined, you can keep your pool filter running efficiently and prevent problems down the road. Remember to always test your pool water regularly to ensure that your filter is working correctly. If you have any questions or concerns, don't hesitate to reach out to a pool professional for advice.


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