radon in basement 4

https://getradonmanometerreadingworld.wordcanopy.com/posts/how-to-read-a-radon-manometer-reading-like-a-pro

That earthy smell in the basement might not just be dust — it could be radon, a radioactive gas that seeps from soil into homes. It’s colorless and odorless, so you can’t tell it’s there without testing. I bought a simple test kit at the hardware store last year, left it in the lowest lived-in area for a few days, then mailed it off. Levels were fine, but neighbors found theirs were high and had to install a vent system. It's worth checking, especially in older houses with cracks in the foundat…