Can mold grow in vinegar? (+5 Tips)

In this article, we will answer the question “Can mold grow in vinegar?”, and how to use vinegar to mold or mildew in your home?

Can mold grow in vinegar?

Unlike balsamic vinegar, regular white vinegar does not contain sugar. That is why mold might grow in balsamic vinegar If It was stored improperly.  On the other hand, regular white vinegar contains 5% acetic acid on average. 

This environment is simply too acidic to favor the growth of mold. If stored incorrectly, mold might be able to grow somewhere around the surface of the vinegar bottle or on the top of it. However, this is not problematic as It can be skimmed off easily.

Does vinegar kill mildew and mold?

White vinegar has excellent antimicrobial properties. It contains acetic acid at the rate of 5-8% on average. 

The ph of acetic acid is 2.5 which is enough to destroy the cells of microbes. Vinegar is a very cost-effective way to kill common household molds but It cannot counter every type of mold.

According to a 2015 study, vinegar which contains 4-4.2% acetic acid effectively kills Penicillium chrysogenum but It has no effect on Aspergillus fumigatus.

Does vinegar kill mold on drywall?

Yes, vinegar can kill the mold on the drywall. However, do not scrub too vigorously to avoid damaging the surface.

Does vinegar kill mold on concrete?

It can but It is not recommended to use vinegar to kill mold on concrete as the vinegar is very damaging to the cement around the concrete.

Does vinegar kill mold on leather?

Yes, vinegar can kill mold on leather. Mix it with water in a 1:1 ratio to make it less harsh on the surface of leather. You can also use a cloth to rub vinegar on the leather to prevent over-moisturizing and damage to the leather surface.

Where not to use vinegar to remove mold and mildew?

  1. Do not use vinegar on stone countertops as It tends to etch the surface of marble and limestone. 
  1. Do not use vinegar on wooden surfaces or floors or else It will damage the protective finishing.
  1. Vinegar impairs the anti-glare function of some electronic screens while also interfering with its touch system.
  1. Vinegar should never be exposed to metal surfaces like stainless steel, aluminum, and copper as It results in a corrosive reaction.
  1. Mold on porous surfaces like ceiling tiles and carpets can not be removed using vinegar.

How to use vinegar to remove mold or mildew in your home?

First of all, fix the moisture problem as It is the leading cause of mold growth. Then use the following method to get rid of it forever.

What you’ll need 

  • undiluted white vinegar with at least 5 percent acetic acid
  • non-porous gloves
  • face mask
  • protective eyewear
  • spray bottle
  • cleaning rag
  • soft brush


  1. Ensure safety by wearing mask gloves, goggles and opening a window for ventilation.
  1. Pour the vinegar into a spray bottle and spray it on the affected area. Leave it as-is for at least an hour.
  1. Depending upon the surface, use a soft or thick brush to remove the mold.
  1. Dry the cleaned area using a rag. Discard the used rag and brush.

Other FAQs about Vinegar which you may be interested in.

Can you boil vinegar?

Can I mix vinegar and bleach?

Can you use apple cider vinegar in place of white vinegar?

Avoid using vinegar in these 4 ways 

  1. Alkali cleaning products like soap, lye, and bleach should never be mixed with vinegar. The result is the neutralization of both the vinegar and alkali simultaneously. 

This neutralization can be harmful as in the case of bleach because It results in the formation of poisonous fumes. 

However, this neutralization proves helpful when mixed with baking soda due to the formation of carbon dioxide and water. It helps unclog drains.

  1. Vinegar should never be mixed with alcohol and strong acid. This reaction will alter the composition of alcohol and vinegar.
  1. Do not boil vinegar to high temperatures. The concentrated vapors of acetic acid are corrosive and injurious to health.
  1. Vinegar is not used for cleaning upholstery, stone countertops or tiles, serious drain clogs, or ovens. Vinegar stains upholstery. 

And etch expensive stone counters and tiles. Metals like iron, stainless steel, copper, bronze, etc should not come in direct contact with vinegar.

How to prevent mold in your home?

Do not let the water accumulate anywhere due to pipe leaks or leaking windows. Use a dehumidifier in your basement to keep the humidity between 30-50% to avoid mold growth. 

Use fans in your kitchen and restroom to promote ventilation. After a flood, fry your home after 24-48 hours and use mold inhibitors in your paint to avoid mold growth.


In this article, we answered the question “Can mold grow in vinegar?”, and how to use vinegar to mold or mildew in your home?


Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.