musty smell remediation
https://alpha-wiki.win/index.php/How_to_Handle_Mold_in_Basement_Wall_Before_It_Spreads
I finally tackled that musty smell in my basement by first finding the source—a leaky pipe behind the wall. After fixing the leak, I removed all the damp cardboard boxes and used a dehumidifier and some activated charcoal bags to absorb the lingering odor. It took a few weeks, but the air finally smells clean and fresh.