loading

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

how to backwash a saltwater pool filter

Author: Poolking - Swimming Pool Equipment Manufacturer

As a pool owner, regularly maintaining your pool is crucial to keeping it clean and functioning properly. One essential task is backwashing your pool filter, especially if you have a saltwater pool. In this article, we will guide you through the steps of backwashing a saltwater pool filter.

What is Backwashing?

Backwashing is the process of reversing the flow of water through the pool filter, dislodging and flushing out trapped debris, dirt, and other particles. This is essential to ensure that your pool filter continues to work efficiently and maintain clear pool water.

Why is Backwashing important for a Saltwater Pool?

Saltwater pools use a salt-chlorine generator to produce chlorine, which means that the salt level in the water is higher than in a traditional chlorine pool. This can cause mineral buildup in the pool filter, making it harder for water to flow through and increasing the need for backwashing.

When Should You Backwash Your Saltwater Pool Filter?

It is recommended to backwash your saltwater pool filter once a month or when you notice an increase in pressure on the filter gauge. A high pressure reading indicates that the filter is clogged with debris and needs to be backwashed.

How to Backwash a Saltwater Pool Filter: Step-by-Step Guide

Step 1: Turn off the Pool Pump

Before starting the backwashing process, ensure that the pool pump is turned off to prevent any potential damage to the equipment.

Step 2: Choose the Right Backwash Setting

Locate the multiport valve on your pool filter and turn it to the backwash setting. This is usually marked with an arrow pointing towards the waste pipe.

Step 3: Attach the Backwash Hose

Attach the backwash hose to the waste pipe and turn on the pump. Make sure that the hose is firmly secured to prevent any leaks.

Step 4: Backwash

Allow the pump to run for 2-3 minutes or until the water in the backwash hose is clear. This indicates that all the debris and particles have been flushed out of the filter.

Step 5: Rinse

Turn off the pump and switch the multiport valve to the rinse setting. This will flush out any remaining debris from the filter. Allow the pump to run for 1-2 minutes or until the water in the sight glass of the filter is clear.

Step 6: Return to Filter Setting

Turn off the pump and switch the multiport valve back to the filter setting. Ensure that the valve is securely in place to prevent any leaks.

Step 7: Turn on the Pump

Finally, turn on the pool pump and allow it to run normally.

Conclusion:

Backwashing your saltwater pool filter is an essential maintenance task that should not be overlooked. By following these simple steps, you can keep your pool filter working efficiently and ensure that your pool water stays clear and safe for swimming. Remember to keep to a regular backwashing schedule to prevent any potential damage to your pool equipment.

.

GET IN TOUCH WITH Us
recommended articles
News Application Products Transport
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
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.
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 .
How To Prime Swimming Pool Pump?
Your swimming pool pump is the central circulation system of your pool. Without it, your swimming pool waters wouldn't be fit for swimming.
Wholesale Best workmanship Supplier with good price - Poolking
Poolking Wholesale Best workmanship Supplier with good price - Poolking
Poolking Best workmanship Supplier
Commercial depth sand filter leading by Poolking
Hello, ladies and gentlemen. Today I'd like to introduce Poolking commercial depth sand filter.It is environmental protection and non toxicity.It can be used in large swimming pools, aquariums, aquaculture and other water applications.
no data

Best swimming pool equipment manufacturer - Poolkin will continue for innovative management and excellent quality. Imagination will subvert the future, intelligent manufacturing will lead the era, that's the motto of Poolking!

If you have any question,please contact us.

Contact: Sandy

Email: sandy@poolking.co

Sales Hot line: +86-20-34982303

WhatsApp:+86-13922334815

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

Copyright © 2025 Guangdong Poolking filtration equipment manufacturing co. Ltd. - www.poolking.co All Rights Reserved. | Sitemap
Contact us
whatsapp
Contact customer service
Contact us
whatsapp
cancel
Customer service
detect