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how to replace pool filter sand


Author: Poolking - Swimming Pool Equipment Manufacturer

How to Replace Pool Filter Sand

Owning a pool is a great way to beat the heat and spend quality time with friends or family. However, like everything else, swimming pools require regular maintenance to keep them functioning properly. One crucial aspect of pool maintenance is changing the filter sand in your pool filter. In this article, we will walk you through the steps of replacing the pool filter sand and offer tips and tricks to make the process much smoother.

Why do you need to replace pool filter sand?

Pool filter sand is designed to trap dirt, debris, and other impurities from your pool water, keeping it clean and clear. As time goes by, the sand will become clogged with dirt and debris, reducing its effectiveness, and making it difficult to keep your pool clean. That's why replacing pool filter sand is important, as it will ensure that your pool stays clean and clear.

What do you need to replace pool filter sand?

Before you start replacing the pool filter sand, you will need to gather the necessary tools and equipment. Some of the things you will need include:

- Screwdriver

- Wrench

- Sand Filter

- Sand filter sand

- Garden Hose

- Safety glasses

- Rubber gloves

- Pool filter cleaner

Step-by-Step guide to replacing pool filter sand

Now that you have all the required tools and equipment let us look at the step-by-step guide for replacing pool filter sand.

Step 1: Turn off Power to the Pool Filter

Before you start, turn off power to the pool filter by switching off the circuit breaker or unplugging it from the electrical outlet. This will prevent you from getting electrocuted while replacing the pool filter sand.

Step 2: Drain the Pool Filter

Drain the pool filter by removing the drain cap at the bottom of the filter. Turn the pump off and attach the garden hose to the drain port. Direct the hose to a safe area away from the pool area to prevent any sand from draining into the pool. Once the water has drained out, remove the drain cap and set it aside.

Step 3: Remove the Sand Filter

Remove the sand filter by using a screwdriver to remove the screws that hold the top of the filter in place. Carefully lift the top of the filter and the filter basket out of the filter housing. Set these aside.

Step 4: Remove the Old Sand

Wearing gloves and safety glasses, remove the old sand from the filter using a scoop or a plastic cup. Be careful not to damage the laterals at the bottom of the filter.

Step 5: Clean the Sand Filter

After you have removed all the sand, clean the sand filter with a filter cleaner to remove any dirt and debris that may have accumulated. Rinse the sand filter thoroughly with water.

Step 6: Add New Sand Filter Sand

Add new pool filter sand to the filter tank, being careful not to clog the laterals. Fill the filter tank about two-thirds full.

Step 7: Reinstall the Sand Filter

Reinstall the sand filter by carefully placing the filter basket back into the filter housing. Align the screws and tighten them with a screwdriver or wrench. Fill the filter tank with water.

Step 8: Backwash and Rinse

Backwash the filter using the instructions in your pool filter manual. This will remove any debris or dirt that may have accumulated during the sand replacement process. After backwashing, rinse the filter for 30 seconds to flush out any remaining debris.

Step 9: Restart your Pool Pump

Turn the pump back on and watch for signs of any leaks. If everything looks good, you are done.


Replacing pool filter sand is a crucial aspect of pool maintenance. It will keep the pool clean and clear and increase the lifespan of the filter. Follow the above steps and check your pool filter manual for specific instructions for your filter model, and you'll have a clean and healthy pool to enjoy for years to come.


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