A traditional household trick, shared by many online as a “grandma hack,” is gaining attention for its quick approach to dealing with mold in the home.

The method reportedly takes just a few minutes and requires very little effort. While different versions exist, the idea focuses on using common household ingredients to help clean and refresh affected surfaces, instead of relying on harsh chemicals.

Supporters of the hack say it’s an easy, budget-friendly way to handle small mold spots and keep living spaces feeling fresher. Many also highlight that simple home remedies like this were commonly passed down through generations.

Home care experts, however, remind people that mold problems should be taken seriously — especially if they are large or recurring — and may require proper cleaning methods or professional attention.

Still, for minor spots, this old-fashioned tip continues to spread as a quick and practical household solution.