How do you know if black mold is alive?

Author: Mrs. Margarita Keebler DDS  |  Last update: Wednesday, August 20, 2025

Identification of Mold This is more easily seen under magnification. Active mold is soft and may smear when touched with a fine brush. It may also be slimy and damp. Inactive mold is dry and powdery and will seem to brush off materials readily.

How to tell if black mold is alive?

To determine if mold is still alive, you would typically need to assess the conditions of the environment (like moisture and temperature) and possibly conduct a test, such as a swab test for viable mold spores.

What does active black mold look like?

While it's very dark, it's not a single color, as the name implies. Instead, black mold is actually very dark green, brown, or black and is wet, shiny, and slimy. Black mold often looks fuzzy. It tends to form clusters of circular spots that may have fuzzy white edges and when wiped, leaves a green stain behind.

How long does black mold stay active?

Once mold spores have gotten a chance to multiply and form colonies, they can stay active for years or even centuries.

Can you still live in a house with black mold?

Is it okay to be in house with black mold? Black mold can cause health problems. As such, it is not advisable to be in a house with black mold. If a person must stay in a house with black mold, they should try to seal off any areas where black mold is present to reduce contact with it.

What are the symptoms of a mold allergy or reaction to exposure?

What are signs of mold sickness?

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.

Is it safe to clean black mold yourself?

Thus, exposure to the toxicity of black mold can cause harm to our physical health. Cleaning it yourself risks a greatly increased chance of acquiring damaging health conditions by unsettling the toxins into the air. Depending on the frequency of mold exposure, an individual's health can be severely compromised.

Can you sleep in a house with black mold?

Because of the risks that come with mold exposure, it can be unsafe to sleep in a house with mold, particularly in the affected areas because you put yourself at risk of mold allergies. This becomes especially concerning if you are sensitive to the mold.

What makes black mold go away?

Treat the Area. For a natural solution to getting rid of black mold, combine one part baking soda with five parts distilled white vinegar and five parts water in a spray bottle. Alternatively, you can use a chemical-based mold and mildew remover, all-purpose cleaners, bleach or dish soap.

Can mold behind walls make you sick?

It irritates the nose and throat, which can lead to both sneezing and coughing as your body tries to get rid of the irritant. Inhaling mold spores can also trigger coughing in people with allergies or an asthma attack, for those with asthma.

How to tell the difference between black mold and toxic black mold?

Common black mold presents differently than toxic black mold. It's likely to appear in ordinary spaces, not just in water-damaged basements and humid attics. Non-toxic black mold also cleans more efficiently than toxic mold, and it doesn't possess the same musty, dirty smell that makes toxic mold so recognizable.

Does mold wipe off like dust?

Trying to take care of mold on your own isn't just dangerous to your health, but it can also cause the problem to multiply. Since mold spores can spread through the air, you can't simply wipe them away like you would with dust.

What can be mistaken for black mold?

Aureobasidium

This yeast-type fungus can be mistaken for another more sinister and dangerous mold but is far less likely to make you sick. Aureobasidium can start as a slimy pink color, but it will turn brown or black and can look like black mold.

What does harmless black mold look like?

Common black mold (Cladosporium) presents as small black spots in ordinary spaces. It can grow inside and outside of the home, and it's far less harmful than toxic black mold. Non-toxic black mold is easier to clean and less musty, but it can still trigger allergic reactions in people with sensitivities.

Is mold dead once it is dry?

As you can see, mold does not die when it dries out. Instead, it enters a dormant state and can reactivate once moisture is reintroduced. Therefore, simply drying out mold-infested areas is not enough to eliminate the problem. Mold spores can still pose risks even when they appear inactive.

How to test for black mold in a home?

If you go the DIY route while testing for black mold, you will need to purchase a mold testing kit from a hardware or home repair store, take samples of the air and affected areas yourself, and then send these in to a testing facility, which will report back as to which type of mold is present.

What kills black mold the fastest?

Four Ways to Kill Black Mould
  • 1) Baking soda (and elbow grease) Dubbed as one of the more 'natural remedies' for mould removal, baking soda has been used as cure for black mould outbreaks for generations. ...
  • 2) Vinegar. ...
  • 3) Bleach. ...
  • 4) Specialist sprays and cleaners.

What happens if you touch black mold?

What happens if you touch black mold? The toxins released by mold if disturbed (if you touch it) are known to cause irritations to the skin, rashes, and even fungal infections.

Can you stop black mold from spreading?

However, the following tips can help prevent black mold from growing: Reduce the humidity in your home. Keep the humidity level in your home between 30% and 50% to prevent black mold growth. Repair any water leaks in your home's plumbing, walls or roof immediately.

Is it okay to live in a house with black mold?

While there's no clear link to Stachybotrys chartarum mycotoxins and deadly diseases, breathing them in or touching them may cause symptoms, especially in people with allergies, asthma, and weakened immune systems. Even if you're in good health, mold should always be removed from your home.

Does opening windows help with mold?

Mould thrives in damp areas such as windows, where there is dust, dirt or organic material, that's why the number one way to reduce mould is to open your windows regularly. By opening the windows at least once a day, this allows the mould spores to escape and lets patches of moisture dry out.

What does mold on bed sheets look like?

Mold in bedding can be tricky to spot, but there are signs to watch out for. If you notice musty smells coming from your bed covers or pillows, that could be a sign of mold. Dark spots or stains that don't come out after washing may also be mold-related.

What not to do when removing black mold?

Don't Use Harsh Chemicals

Spraying bleach on surfaces can actually contribute to the spread and growth of mold, especially on porous surfaces. You should never try to clean mold off walls.

Does home insurance cover mold?

Homeowners insurance doesn't usually cover mold damage or removal unless it's the result of a covered peril. If the mold in your residence was caused by something sudden or accidental, such as a bursting pipe or some other covered incident on your policy, you may be protected.

Can you paint over black mold?

Expert Tip: If you have mold on your walls , do not paint over it. This will only cause it to grow more underneath the paint. Instead, get rid of the mold before priming and painting. Painting Repaired Drywall Using a primer on repaired drywall is crucial for achieving a smooth, seamless finish.

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