mold behind drywall near plumbing 29

https://qqpipi.com//index.php/Gateway_Water_%26_Mold:_A_Real-World_Case_of_Hidden_Mold_Behind_Drywall

There's a persistent musty smell in the bathroom that gets worse after showers, and when I finally cut a small hole in the drywall near the sink plumbing, I found a patch of black mold spreading behind it, likely from a slow leak that's been moistening the wall cavity for months.