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how to backwash my pool filter

Author: Poolking - Swimming Pool Equipment Manufacturer

How to Backwash My Pool Filter

Owning a pool is a great luxury, but it also comes with the responsibility of maintaining it. One vital aspect of pool maintenance is keeping the pool filter clean. A dirty filter can cause the water to become cloudy and uninviting. This is where backwashing comes in. Backwashing is the process of cleaning a pool filter by reversing the water flow through it. In this article, we will discuss how to backwash your pool filter in five easy steps.

Step 1: Turn off the pool pump

Before you begin the backwashing process, you need to turn off the pool pump. This is important because if the pump is still on, water will continue to flow through the filter, making it impossible to backwash effectively.

Step 2: Locate the multiport valve

The next step is to locate the multiport valve. This valve is often attached to the filter and is responsible for directing water flow. You may need to refer to your pool filter manual to find it. Once you have found it, make sure it is in the “Filter” position.

Step 3: Attach the backwash hose

Next, attach the backwash hose to the waste port on the multiport valve. This hose will carry the dirty water away from the pool and filter. Make sure the hose is securely attached to prevent leaks.

Step 4: Turn on the pool pump

Now it’s time to turn on the pool pump. Let it run for a few minutes until the water flowing out of the backwash hose is clear. This indicates that the dirty water has been flushed out of the filter and the backwashing process is complete.

Step 5: Rinse the filter

Once the backwashing process is complete, it’s important to rinse the filter with clean water. This will remove any remaining dirt and debris that may have been left behind. To do this, turn the multiport valve to the “Rinse” position and run the pump for a few more minutes. Make sure to turn off the pump before changing the valve back to the “Filter” position.

Additional Tips

Now that you know the basic steps to backwashing your pool filter, here are some additional tips to help you maintain a clean and healthy pool:

1. Backwash your filter regularly. The frequency of backwashing will depend on the size of your pool and the type of filter you have. Check your pool filter manual for recommended backwashing intervals.

2. Use a pool skimmer to remove debris from the surface of the water before it sinks to the bottom and clogs your filter. This will help extend the life of your filter and reduce the need for frequent backwashing.

3. Clean your pool filter cartridge or element at least once a year. This will remove any hard-to-reach dirt and debris that may not be flushed out during backwashing.

4. Consider upgrading to a more efficient pool filter. Newer models are designed to filter out smaller particles, which means fewer contaminants in your pool water.

5. Always read the manufacturer’s instructions before attempting any pool maintenance. This will ensure that you are using the correct procedures and equipment for your specific pool filter.

Conclusion

Backwashing your pool filter is an essential part of pool maintenance. Keeping your filter clean will ensure that your pool water is clear and inviting, and also helps extend the life of your filter. Follow the steps outlined in this article and follow the additional tips to keep your pool clean and enjoyable all season long.

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a During backwashing, the filtration bed volume will expand upwards by 1.2 to 1.3 times. The water flow will drive the filtration layer to flow up and down, causing the filtration material particles to collide with each other. Backwash will let the small sand evacuate.
b.Some silica sands will be welded when the acid and alkali are changed due to insufficient purity;
Therefore, the longer the time, the worse the filtering effect of the sand tank. Since backwashing will consume and take away some sand, we need to replace the sand in the sand tank within the specified period.
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