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when to backflush pool filter

When to Backflush Pool Filter

A pool filter is an essential component to ensure that the pool water is clean and clear. The filter removes contaminants from the water, ensuring that swimmers can enjoy a safe and hygienic swim. However, over time, the filter can accumulate debris and dirt, causing it to become clogged and less effective. To ensure that your pool filter is working optimally, it is necessary to backflush it periodically. In this article, we'll discuss what is backflushing, why it is important and when to backflush your pool filter.

What is Backflushing?

Backflushing is a process of reversing the flow of water through the pool filter, releasing trapped debris that accumulates during filtration. The debris is pushed out of the filter and into the waste system, and the filter media is cleaned in the process. It's an essential step in maintaining a healthy pool environment.

Why is Backflushing Important?

Over time, dirt, oil, and debris can accumulate in the pool filter, causing blockages and inefficiencies. These blockages prevent water from flowing freely through the system, which can cause strain on the pump and lead to higher energy and maintenance costs. Backflushing your pool filter is essential to release trapped debris and prevent future blockages. It also helps to maintain the effectiveness of your pool filter, ensuring that it continues to remove contaminants from the water and maintain a clean and healthy swimming environment.

When to Backflush Your Pool Filter?

There are a few signs that indicate that it may be time to backflush your pool filter. The most common of these signs includes a decrease in water flow, an increase in pressure, and cloudy pool water. If any of these symptoms are present, it is time to backflush your pool filter. Additionally, it is recommended to backflush your filter after heavy usage, such as a storm, heavy pool usage, or when it has been a month since the last backflush.

How to Backflush Your Pool Filter?

Backflushing your pool filter is a relatively straightforward process that can be undertaken without professional help. Before beginning the backflushing process, it is essential to ensure that the pump is turned off to prevent damage to the system. Here's a step by step guide:

1. Turn off the pump:

Turn off the pool pump and switch off the main electrical supply.

2. Locate the Backwash Valve:

The backwash valve is typically located on the top or side of the filter. Turn the valve handle to "backwash."

3. Turn on the Pump:

Turn the pump back on and wait for about two to three minutes or until the water runs clear from the backwash hose.

4. Rinse:

Turn off the pump, and the valve switched the valve to the "rinse" setting. After turning on the pump again, run it for a minute or two until the water coming out of the backwash hose runs clear.

5. Return to Filter Setting:

After completing the backwash and rinse procedure, switch the valve to the "filter" setting position to resume regular filtration operations.

Conclusion

A pool filter is a crucial component of maintaining healthy pool water. Backflushing the pool filter is an important aspect of pool maintenance that ensures that the filter operates effectively, reducing maintenance costs and prolonging the lifespan of the pool equipment. By using the simple steps outlined in this article, you can backflush your pool filter quickly and easily, ensuring that your pool remains a healthy and enjoyable place to swim. Remember that it's essential to backwash your pool filter once a month or more often depending on usage, weather conditions, and water types. If in doubt, always consult a professional.

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After about 5~10days ,or when the reading of the pressure gauge on the pump side of the filter has increased by about 0.2bars since the last backwash , backwash the filter as follows:
1. Stop the pump
2.Close the valves on the suction and return lines.
3.Open the cover of the pump and empty the filter gasket .
4.Refit the cover
5.Open the valve to the drain outlet
6.Turn the lever to BACKWASH
7. Open the valves to the suction and return lines.
8.Start the pump .Rinse the filter for about 1 to 2 minutes until the water in the sight glass is clear .
NOTE : Any electric heater must be off .
9. Stop the pump
10. Turn the lever to RINSE , start the pump and rinse for about 15~30 seconds. Stop the pump and turn the lever to FILTER . This is the normal operating position .
11. Close the drain outlet valve and start the pump . Switch on the electric heater if any .
----It is best to replace the silica sand of sand filters every 1-2 years for the following reasons:
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.
----Poolking utilize serval world class production machines to produce the products, and strict quality control system for each products. It treats a small flaw with zero tolerance.
Not only good quality products, but also fast and satisfying after sales service for clients. Let the clients enjoy the clear water and comfortable services.
If Poolking’s products are same quality than others but higher prices, how can Poolking survive ? However Poolking can defeat other players and seize more market share.
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a.Firstly you can tell me the pool size such as wide, length and depth.The circulation period is 4 hours,then we can use the pool volume divide by 4 to know the flow rate.Based on this we can know choose the suitable model for sand filter and pump.
b.Usually 4 meters can install a pool light.Both ends of the pool can install the ladders.
The basic filtration equipment can be chosen like above method.The other accessories can be fixed according to the using environment and requirement.
Poolking won well-known brand awards for consecutive 3 years
On December 6, the 2021 China Swimming Pool Hot Spring SPA Industry Annual Conference was grandly held.     While commending outstanding brands, it also established a new benchmark in industry.                                                                       Poolking won  Well-known brand awards and Product excellent quality award.
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Your swimming pool pump is the central circulation system of your pool. Without it, your swimming pool waters wouldn't be fit for swimming.
----Yes, they can. Silica sand is mainly used for filtration, while activated carbon is mainly used for adsorption. Silica sand is effective for higher water quality requirements. When use them together, silica sand should be placed on the bottom layer, and then activated carbon should be filled on the sand, but the cost of using two media is much higher.
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