How much water do I need to drain after replacing my water filter?

Author: Cora Kilback  |  Last update: Monday, August 18, 2025

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.

How much water to dump after changing the filter?

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

How long to run water after replacing a filter?

After each new filter cartridge is installed, run cold water for 5 minutes to flush it. Change your filter every three months for best performance.

What happens if you drink water right after changing the water filter?

It can be dangerous to drink filtered water after the water filter needs to be replaced because bacteria builds in the filter over time and then the water which subsequently flows through the bacteria-filled filter will be contaminated with the same bacteria. The longer you wait, the more bacteria collects.

What to do after replacing a water filter?

You need to run the water for 10-15 mins after any new filter or system. That's pretty much a basic requirement. Do that and you should be good.

Reverse Osmosis Troubleshooting Water Continuously flows to Drain

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 water not coming out after changing the 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.

What to do after filtering water?

Filtration by itself does not purify water. It must be followed by boiling or disinfection to purify water for drinking. Most water filters are made of a screen with many tiny holes in it. These filters can remove protozoa and some bacteria, but they cannot filter out viruses because viruses are too small.

What is floating in my water after changing filter?

If the water filter is newly installed or just recently changed, black particles may be noticed in the water and/or ice cubes. These black particles are fine carbon particles left over from the water filter manufacturing process.

Do I need to dump ice after changing the water filter?

Discard the ice cubes produced during the first 24 hours. If your appliance has a water dispenser, dispense water for 5 minutes and then discard.

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.

How often should I drain my reverse osmosis tank?

Ideally, you should completely drain your RO storage tank about every 2 weeks.

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.

How long should I let water run after changing the filter?

If you have a purifier or filtration system: Turn the drinking water faucet on and leave it on for 10 minutes. If you have a reverse osmosis system: Refer to our article How to Purge Your Reverse Osmosis System.

Can you get sick from not changing the refrigerator water filter?

An expired water filter may no longer effectively remove contaminants, compromising the quality and safety of your drinking water. It can result in poor-tasting water and potentially expose you to harmful substances.

How long to run fridge water after changing filter?

Secure the new filter by turning it clockwise. Run water through the dispenser for three to four minutes to clear away any air or debris. Reset your refrigerator filter's indicator light if necessary.

Is it safe to drink water with bubbles in it?

The bubbles are harmless and pose no health risk. The air bubbles will dissipate if you let the water sit in a glass for a few minutes.

Why is my water sputtering after filter change?

A newly installed water filter cartridge may cause water to spurt from the dispenser. This is caused by air being trapped in the water system during filter installation.

How much water should I dump after changing water 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.

Can you drink water right after changing the filter?

As long as you have followed the proper instructions to flush your new water filter with three gallons of water, you can usually drink the water right after you've finished the replacement. Check the instructions for your filter to make sure.

What to do after changing water filter?

Flushing your refrigerator water filter is an essential step in changing it. You should flush the filter each time you change it to ensure the best performance and water quality.

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.

Why is my water leaking after changing water filter?

If the water filter was recently replaced, dripping from the dispenser may occur because air is trapped in the water filter.

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.

Previous article
What is the best way to clean a smelly freezer?
Next article
Can I just use white paint as primer?