What are the black specks coming out of my water filter?

Author: Logan Greenfelder V  |  Last update: Thursday, July 17, 2025

It's most likely flakes of charcoal or activated carbon, a very popular filter material. It's not uncommon to see some charcoal on a new water filter. Flush the filter and see if more of it comes out. If the problem persists, you may want to contact the seller to return it.

Why is there black stuff coming out of my water filter?

The black substance that can come out of water filters is typically activated carbon or carbon dust. Activated carbon is commonly used in water filtration systems due to its ability to adsorb impurities, chemicals, and odors from water.

Is it safe to drink water with black specks?

These particles usually aren't harmful to drink but can cause wear and tear on your appliances. A professional plumber can offer recommendations for filtering the water from the well to remove the sediment.

What are the black bits coming out of my filter?

Those tiny fragments are simply granules of the activated carbon that fill the filter cartridge. They can appear when the cartridge is being activated and, occasionally, after prolonged use of the filter jug with the same filter: put simply, tiny fragments of activated carbon leak out of the filter.

Is it safe to drink carbon particles from a water filter?

No. However if you are concerned just run the filter for a while after changing the cartridge. Carbon absorbs contaminants. Carbon tablets are the first thing I take if i get food poisoning from bad food when traveling.

Black Specs In Tub From Hot Water Tap

What is the black stuff in my tap filter?

Rarely, iron and manganese show up as black particles. But more often than not, they present as black or brown slime. If you have a carbon filter, chances are that what you're seeing is carbon dust.

Is activated carbon bad for you?

Pure carbon is harmless, its a solid, its most dangerous if you drop a pound of it on your toe. Activated carbon is pretty harmless too, it can be ingested to absorb poisons and toxins that have just been ingested, as a first aid measure right before going to a doctor.

What are the black specks coming out of my Brita filter?

What are the black specks in the reservoir of my Brita® pitcher or dispenser? Seeing carbon particles in the pitcher or dispenser after several weeks of use is normal with our older filters.

What are the black floaties in my water filter?

If the particles are small black flecks they are most likely from filters that you have hooked up to your house that uses carbon filters to remove contaminants. If you do have filters and determine that this is the cause, you should change or flush your filters per your suggested manufacturer guidelines.

What is the black stuff coming out of my water dispenser?

Types of Flakes

Brown flakes: Usually from dirty filters or rusty pipes. White flakes: Often caused by minerals in hard water. Black flakes: These could be mold and should be dealt with quickly.

What are the black dots coming out of my water?

Iron and manganese are common minerals that show up in trace amounts in residential water supplies. Although typically not found in dangerous levels, it still results in unsightly black specks. Excess minerals could be coming from the municipal water supply, which can only be corrected by your local government.

How do you fix black specks in water?

What to do: First, check your water filter to see if it needs to be replaced. If the filter is damaged or clogged, simply replace it with a new one. You may also want to clean any sediment out of your home's plumbing system by having a professional plumber flush your pipes.

What does black particles in water mean?

Are there black particles in your water? The most common cause of black particles in tap water is the disintegration of rubber materials used in plumbing fixtures.

What are the specks in filtered water?

Water filters use granular activated carbon as part of their filtering process, and as the filter gets older, specks of carbon can break off into the water. Solid and rubbery black particles in tap water often come from a degrading faucet washer or gasket.

What does mold in a water filter look like?

Visible mold: Black, green, or white specks in your water filter are surefire signs of mold. Regular filter maintenance frequency is key to preventing this. Humidity issues: If your house is particularly humid, your water filter is more prone to mold growth.

What are the black specks in my zero water filter?

Why are there black/brown specks in my pitcher / dispenser's water tank? The top of the ZeroWater filter is partially open, so particles from the activated charcoal filter layer can float up into the water tank. These are harmless.

Why is black stuff coming out of my water filter?

This is fine carbon particles left over from the manufacturing process. Flushing the system as outlined in the install instructions will eliminate this situation. It is recommended that 2 to 3 gallons be flushed through the filters (approx 5 min.).

Is carbon dust from water filters harmful?

Is Carbon Dust Safe to Drink? Although the black dust floating in your water might look unappealing, it's not considered harmful.

Why are there particles in my filtered water?

A clogged water filter can cause several issues, including particles in the water. Replacing your water filter regularly will help reduce the number of containments in the water supply. If there are white particles in the water, this is typically caused by calcium or mineral buildup in the water line or pipes.

How to remove mold from a water filter?

Soak all parts of the filter in a solution of bleach and hot water for at least 10 minutes. Rinse the filter parts thoroughly with hot water to remove any residue from the bleach solution. Allow all of the parts to air-dry completely and reassemble them according to their instructions.

Is activated carbon safe to drink?

There's no dietary recommendation for activated charcoal because it's not something your body needs to survive. But there are some common amounts that doctors use to treat people in case of emergency overdose or poisoning. These should only be given to you or your child by a health professional.

What are the brown specks in my water filter?

The brown stuff stuck on your filters is probably iron or some other mineral. Do you need to clean your filters more often? If you want to. This mineral buildup is simply prohibiting water from going through at normal speed.

What are the side effects of eating activated carbon?

When taken by mouth: Activated charcoal is likely safe when used short-term. Taking activated charcoal long-term is possibly safe. Common side effects include constipation and black stools. When applied to the skin: Activated charcoal is likely safe for most adults when applied to wounds.

How long does activated carbon last in a water filter?

Activated carbon (AC) is one of the most widely used media for water filtration. It's effective at removing chlorine taste and odor, and it's recognized as being safe. However, most activated carbon filters have an indicated lifespan of about 4-6 months, after which they need to be replaced.

Is drinking carbon bad for you?

While drinking soda has been associated with negative effects, carbonation is not harmful in and of itself. Drinking carbonated water offers the same benefits as drinking plain water. So, feel free to drink carbonated water if you're looking for some fizz.

Previous article
How high should my heater be?
Next article
What not to spray in an air fryer?