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Poolking, your best swimming pool equipment manufacturer and supplier with more than 20 years experience.   ​​​​​​​  Email: sandy@poolking.co

how much sand is required for a pool filter

Introduction:

Pool filters are essential components of swimming pools. They are responsible for filtering out all the impurities present in the water, including dirt, debris, and even microorganisms. To perform their functions efficiently, pool filters require sand. But the question is, how much sand is needed? In this article, we will provide you with detailed information on how much sand is required for a pool filter.

The Different Types of Pool Filters:

Before we proceed to the amount of sand required by pool filters, it is essential to understand the different types of pool filters available in the market. There are three primary types of pool filters: sand filters, cartridge filters, and diatomaceous earth filters.

How Pool Filters Work:

All pool filters work based on the same principle of removing debris from the water. However, the method of filtration varies depending on the type of pool filter. Sand filters use bed sand to trap dirt and debris, cartridge filters use a disposable cartridge to capture impurities, while diatomaceous earth filters use diatomaceous earth powder to filter out impurities.

How Much Sand is Required for a Pool Filter?

The required quantity of sand for a pool filter depends on the size of the filter itself. In general, sand filters require around 50 pounds of sand, while larger filters may require up to 300 pounds of sand. The amount of sand required for a pool filter also depends on the manufacturer's specifications.

The Sand Size:

The size of the sand is also an important factor to consider when filling up a pool filter. The ideal sand size for most pool filters is 20-grade silica sand with particles of about 0.45mm to 0.55mm in size. Using the wrong sand size can affect the filtration system's efficiency and even damage the equipment.

The Quality of Sand:

The quality of sand used for a pool filter is also vital. The sand should be free from impurities such as calcium, magnesium, or iron. Impure sand can contribute to clogging and significantly reduce the lifespan of the filter.

Conclusion:

In summary, pool filters are essential components of swimming pools that require sand for efficient filtration. The amount of sand required depends on the size of the pool filter and the manufacturer's specifications. Choosing the right sand size and quality is also vital in ensuring the longevity and performance efficiency of the pool filter. Always refer to the manufacturer's recommendations when adding sand to your pool filter.

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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 .
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.
----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 Filters in Liaocheng Underwater World
Liaocheng undersea world takes sightseeing, interactive experience and popular science education as its theme, including exploring Amazon, interactive exhibition area, jellyfish Pandora, boutique marine life, sea animal performance, theme exhibition area, popular science classroom, children's fun world, otter exhibition area, large water body (undersea tunnel), marine theater and other exhibition areas, and adds a variety of scientific and technological interactive experiences.
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Poolking’s sand filter warranty is 3 years for fiberglass filter,2 years for plastic filter.During the warranty period,if the filters parts have any damage,we can judge the factors according to the photos or videos, then we can offer free parts to replace. If the filters are damaged badly,we will provide a new one.
The pumps and lights are 1 year warranty,the method is same as filters.
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Contact: Sandy

Email: sandy@poolking.co

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