Skip to main content

Does vinegar kill mold? What you need to know

Keep your home safe and clean with the right mold-fighting strategy

Woman scrubbing mold growth
Andrey_Popov / Shutterstock

Mold is a persistent problem in many households, thriving in damp and poorly ventilated areas. While there are numerous commercial products designed to combat mold, many people turn to natural cleaning solutions. One of the most popular is vinegar. But does vinegar kill mold? Let’s explore the efficacy of vinegar as a mold killer and provide a comprehensive guide on its use.

Recommended Videos

Vinegar’s cleaning properties

Vinegar cleaning solution with spray bottle and sponge
FotoHelin / Shutterstock

Vinegar is a versatile household staple that has been used for centuries for cleaning purposes. It is a mild acid, typically containing 4% to 8% acetic acid, which gives it its distinctive tangy scent and flavor and potent cleaning abilities. Vinegar is known for its antifungal and antibacterial properties, making it an excellent choice for tackling various household cleaning tasks.

When it comes to mold, vinegar is often praised for its ability to kill and inhibit the growth of this pesky fungus. Its acidic nature can break down the structure of mold spores, effectively killing them. Additionally, vinegar is a cost-effective and readily available cleaner, making it an attractive option for those looking to address mold issues without resorting to harsh chemicals.

Does vinegar kill mold? It’s complicated …

Black mold
Pumbastyle / Shutterstock

While vinegar is indeed capable of killing mold, its effectiveness can be limited by the type of surface it is applied to. On nonporous surfaces, such as glass, tile, and countertops, vinegar can effectively kill mold and prevent it from returning. However, when it comes to porous surfaces like wood, drywall, and fabric, the story is different.

Mold tends to grow deep into the pores of these materials, which vinegar might not be able to reach. This means that while vinegar can kill mold on the surface, it may not completely eradicate the problem, allowing mold to regrow from spores hidden deep within the material. Therefore, addressing mold on porous surfaces often requires more comprehensive solutions, including professional remediation in severe cases.

Surfaces safe for vinegar use

clean off shower glass
Karolina Grabowska / Pexels

Vinegar is safe to use on a variety of surfaces, making it a versatile cleaning agent. Some of the surfaces where vinegar can be effectively used to completely kill mold include:

  • Glass
  • Tile
  • Ceramic
  • Plastic

These surfaces are nonporous or less likely to be damaged by the acidity of vinegar, allowing it to work effectively in removing mold.

When not to use vinegar

Closeup of rustic wood surface with window and lights in background
EE_Stocker / Shutterstock

Despite its many benefits, vinegar isn’t suitable for use on all surfaces. There are several materials where vinegar can cause damage or be less effective, including:

  • Finished wood: Vinegar can strip away the finish and damage the wood.
  • Stone surfaces: Natural stones like marble, granite, and limestone can be etched and damaged by the acid in vinegar.
  • Damaged or unsealed grout: Vinegar can further degrade already compromised grout.
  • Certain metal surfaces: Vinegar can corrode metals like aluminum, copper, and even some grades of stainless steel.

It’s essential to be aware of these limitations to avoid inadvertently causing damage while trying to clean mold.

Other ways to kill mold

Glass jar of baking soda with cork and teaspoon tipped over.
Geo-grafika / Shutterstock

While vinegar is a popular natural solution, there are other methods to consider for killing mold:

  • Bleach: Effective on nonporous surfaces but can produce harmful fumes and damage certain materials.
  • Tea tree oil: A natural antifungal that works well but can be expensive.
  • Baking soda: A gentle abrasive that can be used in conjunction with vinegar for added effectiveness.
  • Hydrogen peroxide: An antiseptic that kills mold spores on a variety of surfaces.

Each of these alternatives has its pros and cons, making it important to choose the right one based on the specific surface and extent of mold growth.

So, does vinegar kill mold? Yes, but its effectiveness depends on the surface and severity of the mold problem. Vinegar is a powerful, natural cleaning agent that can effectively kill mold on nonporous surfaces. However, for mold growing on porous materials, additional measures may be necessary to completely eradicate the problem.

Always consider the surface type and extent of mold growth when choosing your mold-fighting strategy, and don’t hesitate to seek professional help for severe mold problems. By understanding the capabilities and limitations of vinegar, you can make informed decisions to keep your home free of mold and healthy.

Veronica Sparks
Veronica Sparks is a writer from Milwaukee, Wisconsin who loves writing about gardening, home décor, and DIY life. She’s…
What colors go with navy blue? 7 amazing ideas for your home
From complementary colors to suave neutrals, here are the best hues to pair with navy blue
White and blue kitchen cabinets

Navy blue ushers in a sense of modest luxury in any space. It’s a deep, rich hue that has become a staple in many interior designs. But what colors go with navy blue? How can you make the perfect navy blue palette? Fortunately, we have some stunning color suggestions to help you create a gorgeous navy blue palette.
Classic colors that go with navy blue

Some colors are just meant to be in the same palettes. When you’re looking for the perfect hues to pair with navy blue, you can’t go wrong with these classics.
Timeless white
White is one of the most popular colors paired with navy blue. It’s a timeless color that makes a great base or backdrop for a navy blue palette. Brighter white tones offset the dark and moody allure of navy blue while uplifting the space so that the room feels fresh and sensible. White is also perfect for modern palettes as it provides a sense of simplicity.

Read more
Preppy room decor: The do’s and don’ts you should know
The preppy aesthetic feels fresh, modern, and inspired. Here's how to create a gorgeous preppy look in your space
Small living room design with pastel green sofa

The preppy style has been around for decades, making it a prominent feature in many wardrobes and interiors. While a simple cardigan or a pair of boat shoes can bring together preppy attire, there are quite a few design elements you don’t want to miss when you’re incorporating this aesthetic into your home.

Here are our do’s and don’ts for creating the perfect preppy room decor look.
Do start with the right color palette

Read more
What colors go with pink? These are the perfect complements
Perfect pairings for a pretty-in-pink space
Pink paint

When considering what colors go with pink in home design, it's easy to understand why this versatile hue has become so popular. Pink, with its vast range of shades, from soft pastels to vibrant fuchsias, brings warmth, charm, and a touch of sophistication to any space. Whether you're looking to create a calming sanctuary or a bold statement room, finding the perfect colors to pair with pink can transform your interior design.

Let's explore some of the best color combinations for pink and how to use them effectively in your home.
Yellow

Read more