mold behind drywall near plumbing 77

https://moldremediationstlouisinfo.greyhavendaily.com/posts/how-mold-remediation-st.-louis-experts-find-hidden-growth-behind-drywall

Behind the drywall next to the bathroom sink, a slow leak from a loose pipe has created the perfect damp environment for mold to thrive, spreading dark patches across the insulation and leaving a musty smell that creeps into the room.