Is it bad to drink out of an old Brita filter?

Author: Prof. Jeffrey Schoen  |  Last update: Sunday, October 12, 2025

Health Risks: Drinking from an old filter can expose individuals to harmful chemicals and heavy metals that the filter was initially designed to remove. This can lead to health issues, especially in vulnerable populations like pregnant women, children, and the elderly.

What happens if you drink from an old Brita filter?

Yes. The expired filter is no longer working to purify your water and may even be releasing contaminants into it. Throw it away! :)

Is it okay to use an expired Brita filter?

The shelf life of an unused Brita® filter is indefinite as long as its pouch is intact and sealed. However, we do recommend pre-soaking older Standard filters in water for 15 minutes before using.

What happens if you drink water from an old 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.

Is it bad to not change the Brita filter?

Many of us trust that our Brita water filters are removing contaminants from our tap water. But if you haven't replaced the filter in several months (er, years), it's probably not working as well as you think.

The PROBLEM With Brita Filters

How can you tell if your Brita filter is bad?

A green blinking light indicates that the filter is good. A yellow light indicates the filter should be replaced soon, while a red light blinking indicates the filter should be replaced. Filter performance is not certified after 40 gallons.

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.

Are old water filters safe to use?

Old filters become a hotspot for bacteria and germs, which can then make their way into your drinking water, posing serious health risks.

Can bacteria grow in water filters?

Filters can be a good place for bacteria to grow because there is plenty of water present, filters are dark and warm, and bacteria can feed on the organics present.

Is it bad to drink from an expired water filter?

Water filters work to remove harmful contaminants and keep water safe. But over time, filters become less effective at thoroughly cleaning water. Expired filters may allow small particles and microbes through that can cause sickness.

Do you throw out old Brita filters?

Do not put in the mixed recycling bins. Put in the Garbage or check out the TERRACYCLE mail-in recycling program. Brita® has teamed up with TerraCycle® to bring you a national recycling solution for Brita® filters, pitchers, dispensers, bottles, faucet systems, and packaging.

How long can water sit in a Brita?

What is the best way to store BRITA filtered water? Store your BRITA filtered water in a cool place, such as the fridge. Also, protect your BRITA product from direct sunlight to avoid algae and consume the filtered water within one day.

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.

What happens if you drink water from a dirty filter?

Possible Risks of Drinking Dirty Water

You and your family experience gastrointestinal problems, including diarrhea, nausea, and stomach cramping. Your water has an off taste, which makes the food you prepare with it taste different than it should.

Is it bad to drink the carbon from a Brita filter?

Carbon dust from the filter media is harmless and safe to consume. Prevent black specs in your water by following the manufacturers guidelines when changing water filters. Proper filter maintenance is important to ensure clean water free of debris.

Can not changing your Brita filter make you sick?

Drinking contaminated water can lead to a range of health issues, from minor stomach upsets to serious bacterial infections. Bacterial or Viral Contaminants: If a filter is not changed regularly, it can become a breeding ground for bacteria and viruses, which can then contaminate the water you drink.

Can mold in Brita make you sick?

Mold exposure from any source, including a contaminated Brita filter, can pose health risks.

Why not use Brita water filter?

Many of Brita's filter types simply aren't designed to kill bacteria. While it might (might being the important word here) reduce the number of dangerous organisms in your water, it doesn't eliminate them. So, in an ironic twist, the filter actually becomes a breeding ground for these dangerous microorganisms.

Can you get sick from not changing the water filter?

Health Risks: Drinking from an old filter can expose individuals to harmful chemicals and heavy metals that the filter was initially designed to remove. This can lead to health issues, especially in vulnerable populations like pregnant women, children, and the elderly.

How to know if a water filter is bad?

So we've put together a simple guide for you to tell whether this might apply to your cooler or water filter system.
  1. 1 - Reduced Delivery Volume. ...
  2. 2 - Water Tastes or Smells Bad. ...
  3. 3 - Strange Noises or Air Bubbles. ...
  4. 4 - Discoloured or Cloudy Water. ...
  5. 5 - Expiry Date or Visual Indicators.

Can a water filter last 5 years?

Most household drinking water filters last between 6 to 12 months and need to be changed to maintain effectiveness. However, some filters like those in pitchers have shorter lifespans and may need to be replaced every 1 to 2 months. On the other hand, some whole house water filters can last between 5 to 10 years.

Do you throw away old water filters?

Refer to the local recycling facility for specific information on items accepted for recycling. While not recommended, it is safe to throw water filters in the trash.

Do water filters go bad if not used?

In short, no, unused water filters do not expire. There is no set shelf life for water filters, as long as they're not exposed to any moisture. That's the key — moisture is what makes water filters work, and without that, they're sitting pretty and ready for use at any time.

What are the side effects of filtered water?

Although filters can be helpful in removing harmful chemicals from our water, they sometimes strip away beneficial minerals too. These include magnesium and calcium, as well as iron and manganese, which are eliminated to make water softer and prevent discolouration, respectively.

What happens when a water filter gets old?

Reduced Efficiency: As filters get clogged with contaminants, their efficiency in removing impurities decreases. This means you might be drinking water that's no cleaner than the normal tap water or in some cases, even worse.

Previous article
How to seal an exhaust fan gap?
Next article
Is it safe to sleep in a room with a water leak?