what is the backwash setting on a pool filter

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What is the Backwash Setting on a Pool Filter?

Every pool owner wants to keep their pool clean, safe, and enjoyable for swimming. One of the essential parts of maintaining a pool is managing the pool's filtration system. Among the different settings in a pool filter, the backwash setting is a crucial feature that ensures the pool water remains clean and hygienic to swim.

In this article, we will talk about what the backwash setting is, why it is important, how to use it, and some practical tips for maintaining your pool filter's backwash setting.

What is the Backwash Setting?

The backwash setting is a feature found in sand and D.E (diatomaceous earth) pool filters that reverse the water flow to flush out the dirty, clogged filter media. When the pool filter runs, debris, dirt, and other contaminants get trapped in the filter media, reducing its effectiveness in cleaning the water. Backwashing reverses the flow, forcing the debris and dirt out of the filter and discharging it out of the pool.

Why is the Backwash Setting Important?

Maintaining proper pool water circulation and filtration is essential for keeping a swimmer's safety and comfort. When you backwash, the dirty water flows out of the pool, and clean water gets drawn in. This removes debris, contaminants, and particles that can cause skin irritation, eye discomfort, or illness.

Moreover, backwashing the pool filter regularly is crucial for extending the filter media's lifespan, ensuring the pool filter works efficiently at all times, and reducing the need for frequent replacements.

How to Use the Backwash Setting

Using the backwash setting on a pool filter is relatively simple, but it's essential to follow the correct steps to avoid damaging the pool filter. Generally, you should backwash your pool filter every one to two weeks, depending on various factors such as pool usage, weather, and debris.

Here is how to backwash a sand or D.E pool filter:

Step 1: Turn off the pool pump and attach the backwash hose to the waste port on your pool filter.

Step 2: Roll out the backwash hose far from the pool area, preferably into a drain or sewers.

Step 3: Turn on the pump and set the valve to backwash.

Step 4: Let the filter run for 2-3 minutes until the water in the sight glass flows clear and clean.

Step 5: Turn off the pump and set the valve to rinse.

Step 6: Start the pump and run for 30-60 seconds to flush out any remaining debris and dirt.

Step 7: Turn off the pump and reset the valve to filter mode.

Maintaining the Backwash Setting

The backwash setting on your pool filter can last for many years, but like any pool equipment, it requires proper care and maintenance. Here are some tips to keep your backwash setting working efficiently:

1. Check the pressure gauge: A high-pressure reading on the pressure gauge indicates that the filter is dirty and needs backwashing. Check the pressure gauge regularly to know when it's time to backwash.

2. Clean the filter media: In addition to backwashing, you should chemically clean the filter media every six months to remove any residual contaminants and maintain optimal efficiency.

3. Inspect the pool filter: Regularly inspect your pool filter for cracks, leaks, and loose or damaged parts. Replace any worn-out components to avoid costly repairs or replacements.

4. Winterize the pool: Before winter, backwash and winterize your pool filter to prevent damage from freezing temperatures and snow.

5. Seek professional help: If you're not familiar with how to maintain your pool filter's backwash setting or encounter any issue, seek help from a professional pool service technician.

Wrap Up

Backwashing is a critical process in pool maintenance that ensures clean and hygienic pool water for swimming. By following the correct steps and maintaining your pool filter's backwash setting, you can enjoy your pool for many years to come without worry.