how to add diatomaceous earth pool filter


Author: Poolking - Swimming Pool Equipment Manufacturer

Diatomaceous earth (DE) is a naturally occurring mineral that is commonly used in pool water filtration systems. The powdered form of DE consists of fossilized remains of diatoms, which are tiny aquatic organisms. The unique properties of DE make it an excellent filtration medium for pool water. If you are looking to enhance your pool filtration system, adding DE to your pool filter is a great way to improve the overall quality of your pool water. In this article, we will go over the steps on how to add diatomaceous earth to your pool filter.

Subheading 1: Prepare Your Pool Filter

The first step in adding DE to your pool filter is to prepare the filter. Turn off your pool pump and remove the filter lid or cartridge. If your pool filter uses a DE filter grid, remove the grid assembly from the filter housing. Clean the filter housing and the grid assembly thoroughly with a hose or pressure washer.

Subheading 2: Add the Diatomaceous Earth Powder

Once the filter and grid assembly are clean, it's time to add DE powder. Measure the amount of DE needed for your filter. This information can be found in your owner's manual or on the manufacturer's website. Slowly add the DE powder to your filter through the skimmer. Be sure to add the DE powder evenly across the surface of the filter. You can use a DE scoop or a small plastic container to add the powder.

Subheading 3: Backwash and Rinse Your Pool Filter

After adding DE powder to your filter, it's time to backwash and rinse your pool filter. Turn on your pool pump and set the valve to "backwash." This will reverse the flow of water through the filter and flush out any debris and old DE powder. After a few minutes of backwashing, switch the valve to "rinse." Rinse the filter for a few minutes to remove any remaining debris.

Subheading 4: Reassemble Your Pool Filter

Once you have backwashed and rinsed the filter, it's time to reassemble it. Replace the filter grid assembly or cartridge into the filter housing. Tighten the filter lid or cartridge lock ring. Be sure to check your owner's manual for specific instructions on how to reassemble your pool filter.

Subheading 5: Turn On Your Pool Pump

The final step is to turn on your pool pump. Let the pump run for a few minutes to ensure that the water flows through the filter properly. Check the pressure gauge on your filter to make sure that the pressure is within the normal range. If the pressure is too high, you may need to backwash and rinse the filter again.

Adding diatomaceous earth to your pool filter is an easy process that can significantly improve the quality of your pool water. With these steps, you can ensure that your pool filter is working efficiently and effectively. One final tip is to regularly check your pool filter and DE powder levels to maintain proper filtration. By following these steps, you'll be well on your way to enjoying a crystal-clear swimming pool all season long.


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