how to change a diatomaceous earth pool filter

2023/06/28

Author: Poolking - Swimming Pool Equipment Manufacturer

Article:


If you're a pool owner, you know that keeping a well-maintained pool not only keeps the water crystal clear but also ensures that the filtration system is in top condition. The filtration system is one of the most crucial parts of your pool that keeps it sparkling clean and safe to swim in. Diatomaceous earth (DE) filters are becoming increasingly popular because of their high efficiency and effectiveness in filtering out even the smallest debris particles. But like anything else in life, DE filters also need regular maintenance and replacement to work optimally. In this article, we will discuss how to change a diatomaceous earth pool filter in a few simple steps.


1. Know When to Change Your DE Filter


Diatomaceous earth filters have a longer lifespan than sand or cartridge filters, but that doesn't mean they are indestructible. You need to change the DE filter around every 3-5 years or when the filter pressure gauge shows an increase in pressure between 5-10 pounds per square inch (psi) above the standard reading. If you notice that the water is cloudy, there is a decrease in water flow or the pool cleaner doesn't work optimally, your filter may need a replacement. Always keep an eye on your filter's condition to ensure it works at its best.


2. Gather the Right Tools and Equipment


Before you begin the replacement process, you need to have the right tools and equipment to ensure a smooth and successful process. You will need a DE filter, a screwdriver, a wrench or pliers, a pair of gloves, a hose, and DE powder. Make sure you also switch off the pool pump and turn off the power to the filtration system to avoid any accidents.


3. Release the Pressure in Your Pump and Filter


The first step in replacing your DE filter is to release the pressure in your pump and filter to avoid any accidents. Switch off your pool pump and turn the filter handle or switch to the backwash position for a few seconds to release any pressure. If your filter does not have a backwash feature, you can also release the pressure by turning the air relief valve located on the top of the filter.


4. Remove the Old Filter


Once you have released the pressure, it's time to remove the old filter. Remove the clamps or bolts that hold the filter head to the filter body using a screwdriver, pliers, or wrench. Remove the filter head and lift out the old filter grid assembly.


5. Install the New DE Filter


Now it's time to install the new DE filter. Make sure you clean the filter grid assembly or add new ones to ensure optimal filtration. Once you have done that, reinsert the filter grid assembly and reattach the filter head. Make sure you tighten the clamps or bolts securely.


6. Add New DE Powder


The next step is to add new DE powder to the filter body. Follow the guidelines on your filter manual to determine the right amount of DE powder you need to add. Make sure you spread the powder evenly across the filter body to avoid any clogging.


7. Backwash and Rinse


After adding new DE powder, it's time to backwash and rinse your filtration system to remove any remaining dirt and debris. Turn the filter handle or switch to the backwash position and run the pump for a few minutes. Once the water in the sight glass is clear, turn off the pump, switch to the rinse position, and run the pump for another minute or two.


8. Switch On Your Pump and Monitor the Pressure


Finally, it's time to switch on your pool pump and monitor the pressure gauge on your filter. You should see a reduction in the pressure now that you have changed the filter. Make sure you clean your filter regularly and replace the DE powder every time you backwash to ensure optimum performance.


In conclusion, changing a diatomaceous earth pool filter is a vital part of your pool maintenance that ensures optimal filtration and water quality. By following these simple steps, you can keep your pool sparkling clean and safe to swim in for many years to come.

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