Tips to maintain water filter system  Metpure Guide
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Tips to maintain water filter system | Metpure Guide

If your water filter has been sitting unused for a long time, it's important to clean and sanitize it before you start using it again. This is because bacteria can grow in the filter when it's not 

In this article, you’ll learn all you need to know to maintain your water filter system.

For more problems related to water filtration systems, check out our article Unraveling The Complexities: Addressing Common Challenges in Water Filtration Systems

How to Clean Water Filter System?

Cleaning a water filter system is important to keep it working well and to make sure your water stays clean. 

Here's how you can clean your water filter system:

Now, if your water filter system has been sitting idle for some time, like a reverse osmosis system, you'll need to flush the membrane and filters. 

  1. Start by emptying the tank completely. If you know you won't be using it for a while, it's a good idea to empty the tank before you leave. 
  2. Keep emptying the tank until the pump turns on. 
  3. Then, flush the system for about ten minutes to clear out any stagnant water. 
  4. Make sure each outlet of the system gets flushed for at least ten minutes.

For under-sink or whole-house water filters, flush the system for at least five minutes. Then, reconnect the system to the water supply and run water through it for another five minutes to get rid of any buildup that might have formed.

Cleaning Your Reverse Osmosis System

If you're replacing the filters in your RO system, it's important to sanitize it first. Use a good sanitizing solution and a bottle brush to scrub the insides of the system, making sure to reach all the nooks and crannies where bacteria might hide. After sanitizing, install the new filters and membranes. Before you start using the system again, run water through the filters and membranes and discard it to make sure everything is clean.

Sanitizing Your Reverse Osmosis System

You can sanitize your RO system at home by following these steps. 

First, ensure your hands are clean or wear gloves to maintain hygiene. Then, turn off the water supply to the system and disconnect any connections, such as those to the refrigerator or ice maker. 

Next, drain the tank completely and remove all pre-filters and membranes from the system. Reconnect all the filter covers except for the pre-filter, and pour sanitizer into the pre-filter before reconnecting it to the system. 

Turn the water supply back on and allow the sanitizer to sit for a while. Afterward, flush the entire system thoroughly. 

Once the system is flushed, disconnect the water supply again and drain out the water completely. 

Finally, install new filters and membranes, reconnect the water supply, and your RO system will be ready to use. 

If you encounter any difficulties or need assistance, don't hesitate to seek help from experts in water filtration systems.

Tips to maintain water filter system  Metpure Guide

Maintaining Water Filter System

Taking care of your water filter doesn't have to be hard. Just follow a few easy steps and check it regularly to make sure it keeps working well. 

Here's what to do, depending on what type of water filter you have.

How to Maintain an Activated Carbon Filters

Here are some easy steps to keep your carbon water filter working well:

Check out: What Are Carbon Filters and How Do They Work?

  1. Check for clogs: If the water isn't flowing well, there might be a clog. You can replace the cartridge if you need to.
  2. Change the cartridges regularly: After a lot of water goes through the filter, it gets full and needs new cartridges to keep working right.
  3. Sanitize: If the manufacturer says so, use a special cleaning solution every so often to keep bacteria from growing in your filter. Just follow the instructions that come with your filter.

How Often Should You Replace Activated Carbon Filter Cartridges?

The time between changes can vary depending on a few things:

  • How big the filter is
  • If there are pre-filters to catch big stuff
  • What kinds of stuff the filter is getting rid of
  • How much water goes through the filter
  • How many gallons of water have gone through it so far

Usually, you should change your water filter cartridges every three to six months. 

How to Maintain Whole Home Water Filter Systems

Whole house water treatment systems are made to clean all the water that comes into your home. They make sure the water from every tap is safe to use. These systems use different filters, like activated carbon and sediment filters, to clean the water really well.

Here's what you can do to keep your system working well:

  1. Check for clogs: If the water doesn't flow well in different parts of your house, there might be a clog in the system. You can change the cartridges or filter stuff if you need to.
  2. System check: Every so often, take a look at the whole system. Check if everything is connected right and if there are any leaks. Look at any gauges or meters to see if there are any problems.
  3. Professional inspection: Because these systems are tricky, it's a good idea to have a professional check them once a year. They can do any big jobs that need doing, like changing out filters or checking UV sterilizers if your system has them.
  4. Regular Cleaning Routine: Make sure to clean the inside of your water filter system often. This stops minerals, dirt, or other stuff from building up and causing problems.

Routine Maintenance Tips

Here are some easy tips to keep your water filter system working well:

  • Use gentle cleaning products: When you clean your system, use mild cleaners and rinse with warm water. Harsh chemicals can be bad for your system and the water you drink.
  • Clean everything weekly: It's a good idea to clean all parts of your system once a week. Make sure to sanitize things like the water dispenser and the cap assembly too.
  • Watch out for salt build-up: If you use a water softener, it might make salt build up in your water filter. You might need to clean your system more often because of this. If you notice a blockage, just turn off the system, take out most of the salt, and use hot water to dissolve the blockage.
  • Keep an eye on your system: Whenever you use your water filter, check to see if it needs cleaning. Some systems also have a monitoring system that can tell you when it needs cleaning, but it depends on what kind you have.


For top-notch filters with easy maintenance, don’t forget to give this article a read: How to choose Home Water Filters & Other Water Treatment Systems?