If your walls are turning black in a corner, it’s no accident: find out what it really means (and how to fix it)

Then move on to cleaning the mold. A mix of white vinegar and warm water can work well for surface stains. For more persistent spots, hydrogen peroxide can be effective. However, be cautious: don’t use vinegar on natural stone or marble, as it can cause damage.

Make sure to move furniture a few inches away from the walls to allow air circulation. This small change can make a big difference.

If the room still feels damp, consider using a moisture absorber or a small electric dehumidifier, especially in areas like laundry rooms or bathrooms.

Preventing Mold from Returning
Once you’ve cleaned the affected areas, the key is to stop it from happening again.

Make sure your home is properly ventilated. If necessary, install or improve ventilation systems like extractor fans in kitchens or bathrooms.

Keep track of humidity levels with a hygrometer—an inexpensive tool that helps you ensure your indoor air stays between 40% and 60% humidity.

Consider using anti-moisture paint on walls that are prone to dampness. While it’s not a complete fix, it adds a layer of protection.

If you suspect deeper issues like leaks or insulation problems, it’s wise to contact a professional. Sometimes what you see on the surface is just a symptom of a larger hidden issue.

What If the Stains Keep Coming Back?
If mold reappears despite your efforts, it’s time to dig deeper.

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