
If your walls are turning black in a corner, it’s no…
Black Spots on Your Wall? Here’s What They Might Be 1. Mold A small black patch could be mold, not dirt. It often forms due to moisture, poor ventilation, leaks, or blocked airflow behind furniture. What to do: Ventilate rooms daily. Clean with vinegar or hydrogen peroxide (avoid vinegar on natural stone). Move furniture slightly…
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