mold behind drywall near plumbing 21

https://wiki-triod.win/index.php/Finding_Mold_Behind_Drywall_After_a_Plumbing_Leak:_A_Real_Case_Study_from_Gateway_Water_%26_Mold

You might notice a musty smell near the bathroom or under the sink, and when you pull back the drywall, there it is: black mold creeping along the backside, thriving in the moisture from a slow pipe leak. It's not just unsightly—it can rot the wall and affect your air quality, so catching it early is key.