where to backwash a de pool filter

Author: Poolking - Swimming Pool Equipment Manufacturer

A DE pool filter is an important component of maintaining a clean and healthy swimming pool. It works by removing impurities and debris from the water by passing it through a fine mesh fabric that captures particles as small as 2 microns. However, in order for a DE filter to work efficiently, it needs to be backwashed regularly.

In this article, we'll cover all you need to know about where to backwash a DE pool filter. From steps to follow to common problems encountered during the backwash process, we've got you covered.

Why Backwash a DE Pool Filter?

Backwashing a DE pool filter is necessary to keep it functioning at its best. When a pool filter is used for a while, impurities and debris will collect in the filter material, clogging it and ultimately reducing its ability to filter the water. Backwashing flushes water in the opposite direction through the filter, pushing out the debris and allowing for a fresh flow of water that will improve the filter's performance.

When to Backwash Your DE Pool Filter

Backwashing a DE pool filter should be done once the pressure gauge reads 8-10 PSI higher than the starting pressure. This information can be found in the filter’s manual or from the manufacturer.

If you notice that the flow rate seems to have reduced, it is essential to check the pressure gauge to see if it is time to backwash. Another important thing to note is that the frequency of backwashing will depend on various factors, such as pool usage and size.

Locating The Backwash Valve

Once you know it is time to backwash your DE pool filter, the next step is to locate the backwash valve. The valve is usually located in the same area as the pool equipment, and it is often labeled for easy identification.

The backwash valve can be found in the multi-port valve or in a separate valve connected to the filter. You may refer to your equipment manual or seek the services of a professional to help locate it.

The Backwash Process

Now that you have located the backwash valve, it is time to begin the backwash process. Follow these steps to ensure a smooth backwash process:

1. Turn off your pool pump: This is important when backwashing your DE pool filter. You do not want water flowing through the filter during the backwash process.

2. Turn the Multi-Port Valve to “Backwash”: Turn the valve handle to the “Backwash” position. This will redirect the water flow through the filter in the opposite direction.

3. Turn on the pump: Turn on your pool pump and let it run for 2-3 minutes or until the water runs clear.

4. Rinse the Filter: After backwashing the filter, you need to rinse it. Turn the valve handle to the “Rinse” position, then run the pump for another 30 seconds.

5. Set the valve back to “Filter”: Turn the valve handle to the “Filter” position, and you're done.

Common Problems and Solutions

While backwashing your DE pool filter may seem like a simple process, you may encounter some issues during the process. Below are common issues and solutions:

1. Leaks: Check for any leaks around the valve area or pipes. Tighten connections or replace any damaged seals or gaskets.

2. Low Flow Rate: A low flow rate may indicate a clog in the system. Check for any blockages in the pipes or filter.

3. Dirty Pool Water: If your pool water remains cloudy after backwashing, you may need to add DE powder to the filter. Follow the manufacturer's instructions on how to add DE powder.

Conclusion

Backwashing is an essential maintenance task for a DE pool filter. Now you know where to backwash a DE pool filter, when to backwash, and how to go through the process. Following these steps will help to ensure your pool water remains clean and healthy, allowing you to enjoy your swimming experience to the fullest.