Does Ammonia Kill Mold?

Ammonia can kill mold.
October 25, 2023

Ammonia is a common household cleaning agent that consists of a compound with the formula NH3. It is frequently used for various cleaning tasks due to its strong odor and ability to dissolve grease and other substances. However, caution needs to be used when using it in the home. Does ammonia kill mold? Yes, it has a high pH, breaks down the mold, and stops its growth. However, exhibit caution when using it.

Let’s learn more about ammonia and find out if it is best for you to use to kill mold.

Cleaning mold off walls with a mask is recommended.

Why is Mold Harmful?

Mold is a type of fungus that can grow indoors and outdoors. It thrives in moist environments and reproduces through airborne spores. When mold spores are inhaled or come into contact with skin, they can cause allergic reactions, respiratory issues, and other health problems. Therefore, it is important to address mold growth promptly and effectively.

Does Ammonia Kill Mold?

Yes, ammonia can be effective in killing mold. Its high alkaline pH helps break down the mold and inhibit its growth. However, caution should be exercised when using ammonia, as it can release toxic fumes when mixed with certain chemicals, such as bleach. Proper ventilation and protective gear should be utilized when working with ammonia.

Does Ammonia Remove Mold From Clothes?

While ammonia can help eliminate mold from hard surfaces, it may not be suitable for removing mold from clothing. Depending on the fabric, ammonia could potentially damage the material. It is generally recommended to consult a professional cleaner or follow specific garment care instructions when dealing with mold on clothes.

Black mold can be cleaned off silicone. Be careful with ammonia and the smell.

Pros and Cons of Using Ammonia

There are pros and cons of using ammonia to kill mold.


  • Ammonia is readily available and affordable.
  • It can effectively kill mold on hard surfaces.
  • Its strong odor can help mask the smell of mold.


  • Ammonia may produce toxic fumes when mixed with certain substances.
  • It is less effective on porous surfaces where mold can penetrate deeply.
  • Using ammonia in high concentrations can be harmful to human health.

Check out the video below about killing black mold safely.

Other Recommended Maintenance

Now that you know that ammonia kills mold, let’s take a look at some other areas of recommended maintenance. One of those is getting rid of mold in the basement. In order to do this, you will need to find the source and fix it. If it is a leaky window or pipe or whatever it is, it needs to be fixed and the area cleaned.

Another area is mold and its effects on health. Everyone is different when it comes to how mold affects them. It can cause headaches, trouble breathing, fever, rashes, or other symptoms. If these are issues you are having, you will want to talk to a mold specialist about getting the mold out of the home.

Lastly, many people wonder what mold smells like. Well, it smells like a musty odor with an earthy scent. Almost like a fresh pile of dirt. If you are smelling this, then it is a good idea to call in an expert inspection company to take a look to see if you have mold.

When Do I Call a Professional?

If you are dealing with a large mold infestation or extensive damage, or if you have any concerns about handling the situation yourself, it is advisable to call a professional mold remediation service. They have the expertise and equipment to properly assess, contain, and remove mold, ensuring a safe and thorough cleanup process. This isn’t something you want to take on your own and need experts to help.


Ammonia can be an effective tool for killing mold on hard surfaces, but caution must be exercised due to its potential toxicity and limitations in removing mold from clothing. Additionally, it is important to be aware of the pros and cons associated with using ammonia for mold removal. When in doubt or facing a significant mold issue, seeking assistance from a professional mold remediation service is recommended to ensure proper containment and eradication of mold. Reach out to Edifice Inspections in Peachtree Corners, GA for a mold inspection.

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