how do you clean a sand pool filter


Author: Poolking - Swimming Pool Equipment Manufacturer


Cleaning a sand pool filter is critical to the overall efficiency of your pool system. Not only does it ensure that your water stays clean and safe, but it also helps extend the lifespan of your filter. Here are some tips on how to properly clean a sand pool filter.

Inspect and Clean the Pump Basket

Before you start working on your sand pool filter, inspect and clean your pump basket. The pump basket collects debris before it makes its way into the sand filter. You should clean it regularly to prevent clogs and prolong the life of your filter.

Backwash the Sand Filter

One of the most essential steps in cleaning your sand pool filter is backwashing. Backwashing is a process where you reverse the flow of water in your filter to remove any debris that has accumulated in the sand. Here’s how to backwash your sand pool filter:

1. Turn off the pump and switch the valve to “backwash.”

2. Turn the pump back on and let it run for two minutes or until the water coming out of the discharge line is clear.

3. Turn off the pump again and switch the valve to “rinse.”

4. Turn the pump on for 30 seconds to flush out any remaining debris.

Clean the Sand Filter Tank

After backwashing, you should clean the sand filter tank. Turn off the pump and open the filter tank to inspect the sand. If the sand looks clumpy or has caked on, it’s time for a deep cleaning. Here’s how:

1. Remove the sand from the filter tank.

2. Rinse the sand thoroughly with a garden hose until the water runs clear.

3. Place the sand back into the tank and close it securely.

4. Turn on the pump and backwash the filter once again to remove any leftover debris.

Check the Sand Level

When the sand level in your filter is too low, it can cause inefficient filtration and damage your pump. You should check the sand level regularly and add more if necessary. Here’s how:

1. Turn off the pump and open the filter tank.

2. Use a measuring cup to scoop out the sand and measure the depth.

3. If the sand level is too low, add more sand until it reaches the recommended level.

4. Close the filter tank and turn on the pump.

Replace the Sand

Over time, sand in your sand pool filter will become less effective at filtering out unwanted particles, chemicals, and oils. If you’ve tried backwashing, cleaning the filter tank, and adding more sand, but your filter is still not working efficiently, it’s time to replace the sand completely. Here’s how:

1. Turn off the pump and open the filter tank.

2. Shut off the water supply and drain the filter tank.

3. Remove the old sand and dispose of it.

4. Rinse the filter tank thoroughly with a garden hose.

5. Add new sand to the filter tank until it reaches the recommended level.

6. Close the filter tank and turn on the pump.

In conclusion, cleaning your sand pool filter regularly will ensure that your pool stays clean, safe, and efficient. Follow these easy steps in maintaining your sand pool filter and enjoy swimming season without any worries.


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