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

why is sand coming out of my pool filter

Author: Poolking - Swimming Pool Equipment Manufacturer

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Introduction:

A swimming pool is a luxurious addition to any property and can bring great joy to the whole family, especially during the hot summer months. However, keeping a pool in good condition requires regular maintenance, and one of the most essential parts of that is the pool filter. If you notice sand coming out of your pool filter, this could indicate a problem that needs to be addressed. This article will help you understand why this is happening and what you can do to fix it.

Understanding Your Pool Filter:

Before we delve further into why sand might be coming out of your pool filter, it is essential to understand how the filter works. Simply put, the pool filter is responsible for removing dirt, debris, and other unwanted particles from the pool water. It does this by passing the water through a filter medium, which can either be sand, cartridge or diatomaceous earth, depending on the type of filter you have.

The Importance of Proper Pool Filtration:

Having efficient pool filtration is critical for several reasons. Firstly, it helps to keep the water crystal clear, free of debris and other harmful organisms like germs and bacteria, which can cause illness. Additionally, proper filtration also helps to maintain the chemical balance of the pool, which is vital for keeping the water safe for use.

Why Is Sand Coming Out Of My Pool Filter?

If you notice sand coming out of your pool filter, do not panic. This is a common problem that many pool owners face at some point. There could be several reasons why this is happening, which we will discuss below.

1. Your Filter Is Dirty

One of the most common reasons why sand might be coming out of your pool filter is that the filter is dirty. Over time, the filter medium can get clogged with debris, making it less effective at filtering the water. As a result, the sand in the filter can escape through the openings in the filter system and into the pool.

2. Faulty Plumbing or Broken Laterals

Another common cause of sand escaping from your pool filter is faulty plumbing or broken laterals. Laterals are the tubes that run from the bottom of the filter and distribute the clean water back into the pool. If these tubes are broken, sand can escape through the openings and into the pool water.

3. The Sand in Your Pool Filter Needs to Be Replaced

If you have had your pool filter system for several years, it is possible that the sand inside it has become worn out or damaged. Over time, the sand can become compacted, making it less effective at filtering water. If this is the case, the sand will need to be replaced to restore the filter's efficiency.

4. High Pressure in Your Pool Filter

If the pressure inside your pool filter becomes too high, this could cause sand to escape from the filter and into the pool. High pressure is typically caused by a dirty filter, which restricts water flow, causing the pressure to build up.

5. The Pool Pump Is Too Big

Lastly, if you have a pool pump that is too big for your filter, this could cause sand to escape from the filter. When the pump is too big, it forces water through the filter system at a high rate, which can cause sand to be pushed out of the filter.

What to Do If You Notice Sand Coming Out of Your Pool Filter:

Now that you know some of the common reasons why sand might be coming out of your pool filter, here are a few steps you can take to fix the issue.

1. Check the Filter System for Damage

The first thing you should do is check the filter system for damage. Inspect the filter tank for cracks, check the laterals for breaks, and inspect the plumbing for any signs of damage. If you notice any damage, replace the broken parts.

2. Clean the Filter

If the problem is caused by a dirty filter, you will need to clean it thoroughly. Try backwashing the filter, which involves reversing the water flow through the filter to dislodge any trapped debris. In extreme cases, you may need to remove the sand from the filter and replace it with new sand.

3. Balance the Chemicals in Your Pool

If the pool chemicals are unbalanced, this could be causing sand to escape from the filter. Test the water regularly and add chemicals as needed. This will help keep the pool balanced and reduce the pressure on the filter.

Conclusion:

A pool filter is an essential component of any swimming pool, and keeping it in good condition is vital for maintaining the cleanliness and safety of the pool. If you notice sand coming out of your pool filter, this could indicate a problem that requires attention. By identifying the cause and taking the necessary steps to fix it, you can enjoy a clean and healthy pool all summer long.

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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.
Using non metallic components fiberglass pressure tanks are rapidly replacing steel tanks in numerous applications. Fiberglass vessels offer several advantages in comparison with steel vessels .
Fiberglass vessels have a mechanical and chemical resistance superior to steel . Fiberglass tanks do not rust or corrode and are able to withstand damage from many types of water treatment chemicals.
Best Best Quality production environment Factory Supplier
Poolking Best Best Quality production environment Factory Supplier
Poolking Best Quality production environment Factory
----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.
Wholesale Best workmanship Supplier with good price - Poolking
Poolking Wholesale Best workmanship Supplier with good price - Poolking
Poolking Best workmanship Supplier
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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