We had a slow leak under the kitchen sink that we didn't notice for weeks, and by the time we found it, the corner of the carpet in the dining room was damp and starting to smell musty. The worst part was discovering the mold had started growing on the carpet backing, leaving dark spots that looked like tiny bruises in the fibers. Even after we fixed the pipe and dried everything out with fans and a dehumidifier, that persistent mildew odor lingered for days. We ended up having to cut out that… carpet mold after leak 7