Why is there mold at the bottom of my Brita?

Author: Brad Hammes  |  Last update: Saturday, May 23, 2026

Because Brita pitchers are constantly exposed to moisture, they can grow mold and mildew. Our handy guide will show you how to get rid of mold growth in your water filter, and we'll provide tips on keeping mold out of your drinking water too!

Is it normal for Brita filters to have mold?

Yes, mold can grow in a Brita water filter.

Why is there black stuff in the bottom of my Brita?

They're the charcoal particles that filter the water. They should go away after you've run some water through it (I have a Brita jug, and the instructions say that when I replace the filter I need to fill and empty the jug 3 times before using it).

Can mold in a water pitcher make you sick?

Key Takeaways. Experts recommend washing your water pitcher at least every one to two weeks to prevent bacteria, fungi, and mold from growing. If you don't keep your water pitch clean, bacteria can build up in it and could even make you sick.

How do you get mold out of a Brita pitcher?

Wash the pitcher, lid, and spout with liquid detergent and warm water. If the mold does not go away, use a mixture of white vinegar and water. If this does not work, opt for a diluted bleach solution. Use a brush to scrub every corner and crevice, especially near the spout and the housing.

The PROBLEM With Brita Filters

Can mold in water make you sick?

If you accidentally drink water with mold in it, you might feel sick to your stomach, get stomach cramps or have diarrhea. Allergic reactions. Some people are allergic to mold. Even a small amount of mold can trigger allergic reactions like sneezing, coughing, itching or a runny nose.

How often should a Brita pitcher be replaced?

Replace your Brita Stream® Filter every 40 gallons, or about every 2 months. If you have hard water, you may need to change filters more often. When you install a new filter, use your built-in electronic filter indicator or SmartLight™ filter indicator so you'll know exactly when to replace it.

What happens if you drink from a bad Brita filter?

If you start to notice a rotten egg smell or the water tastes gritty and earthy, stop drinking from the faucet or pitcher and replace the 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.

Why is my water filter growing mold?

One of the primary reasons for mold growth in water filters is infrequent filter changes. Old filters can become clogged with contaminants and provide a perfect environment for mold to grow.

What happens if moldy water touches you?

Inhaling or touching mold or mold spores may cause allergic reactions in sensitive individuals. Allergic responses include hay fever-type symptoms, such as sneezing, runny nose, red eyes, and skin rash (dermatitis). Allergic reactions to mold are common. They can be immediate or delayed.

How can you tell if 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 to do if you accidentally drank moldy water?

A: If you find yourself drinking moldy water, the most important thing to do is to seek medical attention immediately. Mold contains many potentially harmful toxins and spores that can cause serious health problems if ingested.

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.

How do you know if you have mold toxicity?

Although symptoms can vary, the most common symptoms seen in people exposed to mold indoors include:
  • Nasal and sinus congestion.
  • Eye irritation, such as itchy, red, watery eyes.
  • Wheezing and difficulty breathing.
  • Cough.
  • Throat irritation.
  • Skin irritation, such as a rash.
  • Headache.

Can mold in Brita make you sick?

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

Why does my Brita keep getting moldy?

Why Does Brita Filter Mold? Your Brita pitcher is always kept moist, which makes it especially susceptible to growing black, pink, or green mold.

Does boiling water remove mold?

Most molds are killed off by temperatures of 60-70°C (140-160°F). Thus, boiling water is generally enough to kill off mold. Remember, though, that mold doesn't just grow on the surface: heat will have to penetrate into whatever the mold is growing in to kill it.

How often should I clean my Brita pitcher?

Handwash Only: Brita pitchers aren't dishwasher-safe. Handwashing ensures longevity. Cleaning Frequency: Clean every few weeks or when changing filters, and always check model-specific instructions. Cleanliness is Key: Regular cleaning ensures pure, uncontaminated filtered water.

Should Brita be kept in the fridge?

"We recommend that you store your Brita system in the refrigerator to get cold, great-tasting water," reads the manual for the Brita Smart Pitcher OB39/42632, a top performer in our latest water filter review.

Why does the water from my Brita taste bad?

If you are a new BRITA Maxtra+ user it is quite normal to notice a difference in the taste of filtered water. The new BRITA Maxtra+ cartridge has the capability to remove up to 20% more limescale from your water which when the cartridge is at its newest can appear to make the taste a little sharp for some people.

What is the lifespan of a Brita pitcher?

This is the most common Brita filter, usually identified as the “white ones.” They're used in pitchers, faucets, and dispensers, having the capacity to remove foul odor and bad taste. Regarding its efficacy period, you should change this filter every two months or after using 40 gallons of water.

Why is the bottom of my Brita green?

If your pitcher is left in a warm or sunny area, the algae that is in the filter or in the filtered water may start to grow. This is most likely to happen if your filter has been in use for longer than the recommended 40 gallons or two months.

What happens if you don't change Brita?

It actually may be worse for you to drink from a pitcher with an unchanged old Brita filter than from the tap because Brita filters, over time, will grow bacteria.

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