How Bathroom Ventilation Problems Lead to Ceiling Mold

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When a bathroom fan can't keep up with steam, moisture settles on the ceiling and stays there. Over time, that trapped humidity creates the perfect breeding ground for mold spores, which start as tiny black spots and spread into ugly, stubborn patches. You might notice a musty smell or peeling paint first, but the real issue is the dampness never gets a chance to fully dry out.