how to properly backwash pool filter

Author: PoolKing - Pool Sand Filter Manufacturers

How to Properly Backwash Pool Filters

If you’re a pool owner, you know that maintaining your pool’s water quality is crucial to keeping your pool clean and safe for swimming. One essential component of maintaining your pool is cleaning its filter system. The process of backwashing the filter is a vital step in keeping your pool free of debris and bacteria. In this article, we will guide you on how to properly backwash your pool filter to ensure that your pool is always in tip-top shape.

What is Backwashing?

Backwashing is a process of cleaning your pool’s filter by reversing the flow of water through the filter media. During normal operation, water enters the filter from the pool, passes through the media, and exits the filter through the outlet port. Backwashing flushes out the dirt and debris that the filter has collected and flushes it out through a waste water line. It is a simple and effective way to ensure that your pool remains clean and free of harmful contaminants.

When to Backwash?

Depending on the type of filter system you have, you may need to backwash regularly to keep it clean. A good rule of thumb is to backwash your filter once every month or when the pressure gauge on your filter reads 8-10 PSI above its normal operating pressure. Backwashing too frequently can reduce the filter’s efficiency by removing some of the beneficial bacteria that build up within the filter media. Therefore, it is important to backwash only when necessary.

Preparing to Backwash

Before you begin the backwashing process, take some time to prepare your filter system. First, turn off the pool pump to stop water from flowing into the filter. Next, locate the backwash valve and turn it to the backwash position. You may also need to turn on the waste water line and open the air relief valve if your filter system has one. Once you’ve done that, you are now ready to begin the backwash process.

How to Backwash?

Backwashing is a simple process that involves a few basic steps. Once you’ve turned on the waste water line and opened the air relief valve, turn on the pool pump to start the backwashing process. Allow the pump to run for approximately two to five minutes, depending on the severity of the filter clogging. You will notice that the water coming out of the waste water line is cloudy and that the discharge pressure is low compared to normal. This is an indication that the backwash is effectively flushing out the dirt and debris from the filter.

Rinsing the Filter

After you’ve backwashed your filter, the next step is to rinse the filter. This process removes any residual debris and dirt that may still be present in the filter media. Simply turn the backwash valve to the “Rinse” position, turn on the pool pump, and run it for one to two minutes. You will notice that the water coming out of the waste water line is now clear, and the discharge pressure is back to normal.

Conclusion

Maintaining your pool’s filter system is an essential part of keeping your pool clean and safe for swimming. The backwashing process does more than just remove debris from the filter media; it also ensures that your pool’s water quality is at its best. By following the steps outlined in this article, you can ensure that you’re backwashing your filter effectively and efficiently. Remember to backwash once every month or when the pressure gauge on your filter reads 8-10 PSI above its normal operating pressure to keep your pool in its best shape.