mold under carpet 3
https://victor-wiki.win/index.php/Hidden_Trouble:_How_to_Spot_and_Handle_Mold_Under_Carpet
You pulled up a corner of the carpet to find dark, musty patches spreading underneath, and that damp, earthy smell hit you immediately. This hidden mold thrives on moisture from leaks or high humidity, silently damaging the subfloor and carpet padding. It can trigger allergies and breathing issues, and the only permanent fix involves removing the contaminated materials and addressing the moisture source first, or it will just grow back.