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how to clean sand out of pool filter

Author: PoolKing - Pool Sand Filter Manufacturers

How to Clean Sand Out of Pool Filter

Swimming pools are a great source of relaxation and fun activity during the summer season. However, the maintenance of a swimming pool is a crucial responsibility to ensure the longevity and quality of the pool. A pool filter is an integral part of the pool's maintenance system, which ensures the removal of debris, dirt, and debris from the pool water. The sand filter is the most common type of pool filter, which requires periodic cleaning to maintain its efficiency. This article will provide a comprehensive guide on how to clean sand out of a pool filter.

Subheading 1: Why clean sand out of a pool filter

Over time, sand filters can become dirty and clogged with dirt and debris. The dirt and debris will cause the filter to work harder and reduce its efficiency, reducing the overall quality of the pool water. Dirty sand filters can also cause damage to the pool pump due to the increased pressure, restricting the flow of water. Proper cleaning will improve the performance of the filter, prolong its life, and ensure it operates efficiently.

Subheading 2: Signs for cleaning sand out of a pool filter

The sand filter will show signs when it needs cleaning. If the pool water becomes cloudy, the water flow decreases, or the pool's pressure increases, it's time to clean the filter. The sand filter usually requires cleaning once or twice a year, depending on the frequency of pool use and the type of debris in the pool.

Subheading 3: Tools and Materials Required

Cleaning a pool filter requires a few tools and materials. Before cleaning the filter, ensure you have the following tools and materials: pool filter cleaner, pool brush, garden hose, bucket, and sand filter changing kit. It's also necessary to wear protective gloves when handling the filter components.

Subheading 4: How to clean sand out of a pool filter

The first step in cleaning a sand filter is to turn off the pool pump to prevent any water from entering the filter. Next, remove the filter tank's lid and using a pool brush, sweep the debris and dirt from the top of the sand filter. Using a garden hose, rinse off the sand filter and remove any remaining debris.

To clean the sand filter thoroughly, use a pool filter cleaner, which is specifically designed to remove the accumulated dirt and debris from the filter. Mix the cleaner with water in a bucket and pour the solution into the sand filter system. Start the pool pump and allow the solution to flow through the filter for at least 5-10 minutes. Once completed, turn off the pool pump, drain the filter tank and rinse off the filter with a garden hose.

Subheading 5: Replacing sand in the filter

After cleaning the sand filter, it's essential to check the sand level to ensure it's within the recommended range. If the sand level is low, it's necessary to add more sand. A sand filter changing kit is used to remove and replace the filter sand. Remove the drain plug from the filter tank, insert the sand removal tool, and allow the sand to drain out. Once drained, add new sand to the filter using the scoop included in the kit.

Conclusion

Cleaning the pool filter is a crucial aspect of maintaining a healthy and clean pool. By following the steps outlined in this article and using the proper tools and materials, you can clean the sand out of the pool filter, prolong its life and ensure a clean and clear pool. Remember to regularly check and clean the filter to maintain efficient operation and prevent damage to the pool pump.

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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.
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---Poolking has a professional Quality Control team to guarantee each product is 100% inspected before packing. For example when the filter inner tank comes out, they will make a first water testing before bobbin wounding. After installation all the connections or manhole & sightglass, they will make the second water testing. During the packing procedure, QC team will inspect all the details like wounding, neck, internal resin and so on to make sure no leaking and without flaw.
----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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