how to replace sand in pool filter


Author: Poolking - Swimming Pool Equipment Manufacturer

How to Replace Sand in Pool Filter

If you have a swimming pool at your home, you know the importance of keeping it clean and maintained. However, after some time, the sand in the pool filter may need to be replaced. This is not always an easy task, but with some simple instructions and a little bit of patience, you can replace the sand in your pool filter and keep your pool sparkling clean.

Subheading 1: Signs of Sand Replacement

Before we get started with the actual process of replacing the sand in the pool filter, it's important to know some signs that indicate the sand needs to be replaced. Some of these signs include:

1. Pool water is cloudy and dirty even after the pool has been cleaned

2. Low water pressure

3. Unusual noises from the pool filter

4. Excessive backwashing

If you are experiencing any of these signs, it's time to replace the sand in your pool filter.

Subheading 2: Gathering the Right Tools

Before you begin the process of replacing the sand in the pool filter, you will need to gather the right tools. These include:

1. Screwdriver

2. Pool filter cleaner

3. Funnel

4. Sand

5. Pie plate

6. Sanitizer

7. Degreaser

Subheading 3: Emptying the Filter

The first step is emptying the filter, and this can be a messy process. Turn off the filter and use your screwdriver to remove the drain cap from the bottom of the filter. Ensure you have your pie plate ready to catch the sand that will come out. Get rid of the sand in the pie plate, and then continue to scoop out any remaining sand inside the filter. Use the degreaser to clean the inside of the filter and then rinse off any residue.

Subheading 4: Replacing the Sand

Add the new sand in small amounts using a funnel. Ensure to fill the filter at least three-quarters of the way full. After every scoop added, level the sand using your hands to avoid having a lopsided filter. Put back the multiport and check out whether all the fittings are tightly secured.

Subheading 5: Restarting the Pool Filter

After adding new sand to your pool filter, it's now time to restart it. Simply reverse the process of shutting it down by putting everything back in place. Finally, add the sanitizing chemical according to the instructions.


Replacing the sand in your pool filter can be a straightforward process that can be done in a few hours. The procedure requires specific tools, patience, and a bit of physical strength to handle the heavy loads of sand. However, if you're feeling unsure about replacing the sand yourself, it's recommended to seek advice from a professional pool technician. This not only ensures the correct procedure is followed, but it also helps prevent any other damages that may occur.


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