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how to chemically clean a sand pool filter

Author: Poolking - Swimming Pool Equipment Manufacturer

How to Chemically Clean a Sand Pool Filter

A sand pool filter is an essential component of your pool cleaning and maintenance regimen. Over time, the filter can become clogged with dirt, debris, and other contaminants, which can compromise its efficiency and lead to poor pool water quality. At this point, it's important to chemically clean your sand filter to remove these impurities and restore its performance.

In this article, we'll outline the step-by-step process to chemically clean a sand pool filter using common pool chemicals and equipment.

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1. Determining If Your Filter Needs Cleaning

Before diving into the cleaning process, it's important to determine if your sand filter needs cleaning. This can be done by monitoring the pool water quality and flow rate. If your pool water is cloudy or if the flow rate has decreased, it may be time for a chemical cleaning.

2. Gathering the Required Equipment

The next step is to gather the essential equipment and chemicals required for the cleaning process. This includes safety gear such as gloves and goggles, pool chemicals including a filter cleaner, a bucket, a hose, and a pressure gauge.

3. Backwashing the Sand Filter

Before beginning the chemical cleaning process, backwashing your sand filter is necessary to remove loose debris and particles. This will prevent the chemicals from breaking down the debris, which can cause the filter to become filled with sludge.

4. Adding the Filter Cleaner

After backwashing, it's time to add the filter cleaner to the skimmer or directly to the filter. The cleaner will break down any remaining debris and impurities, making it easier for the sand filter to capture them.

5. Soaking and Rinsing the Sand Filter

After adding the filter cleaner, it's recommended to let it soak in the filter for up to 24 hours. This will allow the cleaner to penetrate deeply into the sand and dissolve any trapped debris. After soaking, rinse the filter thoroughly with a hose to remove any remaining debris and excess cleaning solution.

Conclusion

Maintaining a clean sand filter is key to keeping your pool water crystal clear and healthy. By following these simple steps, you can easily and effectively chemically clean your sand filter, ensuring it operates at peak efficiency for years to come. Remember to wear your safety gear, gather the necessary equipment and chemicals, backwash, add the filter cleaner, soak and rinse the filter, and regularly check the pool water quality and flow rate to ensure optimum performance.

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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.
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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.
----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.
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 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.
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a. Power failure or motor protection tripped
b. Pump doesn't vent
c. Pump doesn't fill the water
d. Suction line/hose leaking
e. Transparent cover not properly installed - check filter basket - even bolts
f . Inlet suction process is too large g.) Total resistance loss exceeds the allowable range of the pump - recalculate the required pressure
h. Mechanical shaft seal leakage
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