Why do you have to run water through a new filter?

Author: Santos Dibbert  |  Last update: Friday, September 12, 2025

To ensure the best water quality, run one or two quarts of water through a new refrigerator filter to flush out carbon debris.

Why do you need to run water through a new filter?

You always should run some water through a new filter before drinking from it. A new filter will sometimes have loose filtering material rattling around, and you don't want it to end up in your water glass. Running some water through should easily get all of the loose particles out.

What happens if you don't flush a new water filter?

Flushing a new water filter is necessary to eliminate any initial carbon dust and particles. These impurities can accumulate during the production and packaging of the filter. If not flushed out, they can mix with your drinking water, affecting its quality and taste.

How many times should I run water through a new filter?

Run two to four gallons of water through the new filter. This helps prevent your water dispenser from sputtering and clears impurities left over from manufacturing. Check for leaks around the filter. Many filters come with a label to let you keep track of when they need to be replaced.

Why do you need to run water through the filter a few times before using it?

After a filter change, they will flush 3-5 litres through the filter to activate it and get rid of any loose particles as well as air. This is a very quick process which also can be done by yourself if need be. Once this water has been flushed the system is ready to be used again.

Is Your Water Cloudy Water After Installing Water Filter?

How long does it take for a new water filter to work?

The filter has a firm outer layer of filtration media that is densely packed. If you are using a new filter and find that it is taking longer than 35 minutes, it may require additional priming to allow water to pass through that outer layer of filtration media.

How many times should I run water through a new Brita filter?

Q: Instruction says to dump out first 3 pitchers of filtered water after installing a new filter. That's 30-40 minutes of work.

Can you use a new water filter right away?

It's generally recommended to run water through the refrigerator's new water filter for a few minutes after installation. This helps to flush out any potential carbon fines or air bubbles that might be present in the filter.

Why is my new water filter so slow?

If your RO filtration system is producing water slowly, you probably need to change your carbon block, sediment, or GAC polishing filters. Clogged filters are probably the most common reason for reverse osmosis water flow to be slow.

How do I know if my water filter is working correctly?

How to Tell if Your Water Filter Needs Replacement
  1. A slow decrease in water pressure. ...
  2. Checked the outside of the filter. ...
  3. Drains or faucets start to make odd noises. ...
  4. Turbidity or bad tasting water.

Why is my water not working after changing water filter?

If you just replaced the water filter and don't have water from the dispenser, the reservoir tank or tubing has not filled yet. Press the dispenser for several minutes to purge air from the line and make sure all the tubing is filled with water.

How do you flush a new RO system?

To flush the system, open the faucet and allow the water to run for 30 minutes. This will flush the new filters of any loose filter media. It's normal for your water to have a slight gray tint during this process and will go away.

Do you need to flush a new water filter?

Once you've installed the new water filter, you'll usually need to prepare the filter for use by flushing it out with water. Grab a sturdy container, like a large bucket, and place it under the water dispenser. Hold the dispenser pad down for five seconds, then release for an additional five seconds.

Why is my water cloudy after changing the filter?

Observing Filtered Water That Appears Cloudy

It is possible for some air to remain in the corners of the filter housing after an installation, or especially after a filter change. This trapped air is what causes the water to have this cloudy texture or appearance which will clear up after two to three weeks.

What happens if you never change water filter?

An unchanged water filter can produce water with a foul odour or a strange taste. A dirty or clogged water filter can also affect the mechanical actions within your refrigerator, such as the Ice dispenser. A refrigerator with a water dispensing function is a significant investment and really should be treated as such.

How much water should I run through a new filter?

Once your filter is replaced, run four gallons of water through the line to properly flush the new filter.

Should I let water run after changing filter?

This is common and occurs when air gets trapped when changing your filter. Repeat steps 1-3 until you have flushed 3-5 gallons of water. Some refrigerator brands may recommend that you flush the filter by running water for 5 seconds, waiting for 5 seconds, and beginning again.

Why is my water dispensing slowly after changing the filter?

If the water filter was just replaced or installed, ensure the filter was installed correctly. If the water filter is not seated properly, it can cause; no or low ice production and water not dispensing properly. Try removing the water filter and re-installing it.

Why do you have to run water through a new fridge filter?

To ensure the best water quality, run one or two quarts of water through a new refrigerator filter to flush out carbon debris.

How long should you run a water filter before using it?

All Fluoride removal cartridges MUST be FLUSHED with flowing water inside your water filter for 10 minutes minimum with NO other cartridges installed before use. Note: Your Fluoride Removal Cartridge is usually installed in positions 1 or 2 in your water filter.

Why do you have to soak water filters?

The reason for soaking and cleaning the filter is due to the activated carbon inside the filter may move to the surface of the filter during shipment, so it is highly recommended to rinse the filter to remove the black carbon particles on the surface of the filter.

What is the difference between the blue and white Brita filter?

The ONLY difference is that the white filter is a Stage 2 and the blue filter is a Stage 3; and the only difference therein is that the Stage 3 (blue) one adds a mineral 'flavor' to the taste of the water, hence the term 'mineral core'. Otherwise, the filters are the same.

Do you really need to replace a water filter every 6 months?

The average lifespan of most brand name water filters is approximately 6 months, but the true lifespan depends on how often you use it. If the members of your household drink a lot of water from the fridge, you may need to change your filter more frequently.

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