fix musty basement

https://wiki-fusion.win/index.php/When_to_Call_a_Detroit_Mold_Specialist:_Signs_You_Shouldn%27t_Ignore

We finally tackled our musty basement last weekend. After sealing the tiny foundation cracks, we rented a dehumidifier and set up a box fan near the window well. The smell faded within a day, and now it just smells like concrete and clean air.