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

how do i know if my pool filter is bad

Author: Poolking - Swimming Pool Equipment Manufacturer

Pool filters play a vital role in maintaining the hygiene and clarity of your swimming pool. Not only do they remove dirt and debris from the water, but they also prevent algae buildup and remove harmful bacteria. However, like any other piece of equipment, pool filters can wear out over time and become less effective. In this article, we'll explore the signs of a bad pool filter and what you can do to fix it.

1. Water Clarity

One of the easiest ways to tell if your pool filter is not working is by checking the water clarity. A properly functioning pool filter should be able to maintain crystal clear water. If you notice that your pool water is cloudy or murky, it could be a sign that your filter is not working properly. The filter may be too dirty, damaged, or clogged to effectively remove debris, causing algae and bacteria to grow.

2. Pressure Gauge Reading

Another way to tell if your pool filter is bad is by checking the pressure gauge reading. Most pool filters come with a pressure gauge that measures the amount of pressure within the filter. A high-pressure reading indicates that the filter is clogged or dirty and needs to be cleaned or replaced. On the other hand, a low-pressure reading means that water may be bypassing the filter, which could be a sign of a cracked or broken filter element.

3. Decreased Water Flow

If you notice decreased water flow in your pool, it could be a sign that your filter is not functioning correctly. A dirty filter can reduce water flow and cause water to back up into the pool. This can be caused by a clogged filter or a worn-out pump. Either way, it's important to address the issue as soon as possible to prevent further damage to your pool system.

4. Unusual Noises

If your pool filter is making unusual noises, such as whistling or gurgling sounds, it could be a sign that something is wrong. These noises may be caused by a clogged filter, a pump motor that needs to be replaced or a worn-out impeller. Whatever the cause, it's important to have the issue looked at by a professional.

5. Poor Water Quality Testing Results

Finally, another way to tell if your pool filter is bad is by testing the water quality. If the water is consistently testing higher than desired for pH, chlorine or other chemicals, it can be an indicator that the filter is failing. A pool that's out of balance will also cause the filter to work harder to keep the water clean, reducing its lifespan.

In conclusion, a bad pool filter can lead to unsanitary conditions and can be harmful to swimmers. It's important to be aware of the signs that your pool filter is not working correctly, such as water cloudiness, pressure gauge readings, decreased water flow, unusual noises, and poor water quality testing results.

If you suspect that your pool filter is not functioning as it should be, it's always a good idea to have it inspected by a professional. They can help diagnose the issue and get your pool back to proper working order. Alternatively, you may need to replace your pool filter entirely, which is an investment that will help keep your pool clean and safe for years to come.

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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
Best Best Quality production environment Factory Supplier
Poolking Best Best Quality production environment Factory Supplier
Poolking Best Quality production environment Factory
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 .
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Contact: Sandy

Email: sandy@poolking.co

Sales Hot line: +86-20-34982303

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Add: No. 80, Danan North Road, Dagang Village, Dagang Town, Nansha District, Guangzhou City (temporary business premises)

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