Does Baking Soda Kill Mold?

Kill mold with baking soda

Baking soda is a great and safe way of killing light mold infestations on both porous and non-porous surface areas. It’s also a brilliant deodorizer and absorbs liquids well.

Topics Covered

  • The pros and cons
  • How to kill mold with baking soda
  • Additional tip

Pros and cons

Using baking soda to kill mold, although as great as it is, does have its shortcomings.

Firstly, it does penetrate porous surfaces but not as effectively as other solutions. And secondly, it kills most mold species, but not all of them. The good news, however, is that both of these shortcomings are easily overcome by combining it with white vinegar.

On the plus side, it kills not only mold but also a variety of bacteria and viruses. It’s also widely available, cheap, and perfectly safe for humans, animals, and the environment. And if you are worried about any moldy smells being left behind, then rest assured because baking soda is a natural deodorizer that leaves no unpleasant odors behind.

How to kill mold with baking soda

1: Mix one teaspoon of baking soda per 500ml of water and transfer the mixture to a spray bottle. If you want to achieve a 100% mold species kill rate or want to get thoroughly rid of mold on a porous surface, then mix the baking soda with distilled white vinegar instead of water.

2: Spray generously onto the area you want to be cleaned and let it sit for 30 to 45 minutes as it soaks in and gets to work.

3: Gently rub the mold off with a cloth. It will come off easy.

The method explained above works on porous and non-porous surfaces as well as for mold spot cleaning on clothes.

Additional tip

Mold needs dampness to grow, so if you ever spill liquids onto a carpet, then just put some baking soda onto the wet spot and leave it for two to three hours. It will extract the liquids from the carpet and leave it dry. Afterward, vacuum the baking soda powder up.


Baking soda does a great job at removing light mold infestations but does an even better job when combined with white distilled vinegar. It’s safe to use and deodorizes at the same time.

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