[CodeToad]

So you replaced the air in your basement with air from outside, and both contain Radon as it comes from the ground.

And this guy is draining the water from his yard.

[struggle]

>So you replaced the air in your basement with air from outside, and both contain Radon as it comes from the ground.

Yeah, the point being that radon leaks in from uranium-etc heavy rock in the ground, so they place a fan that removes it so it doesn’t concentrate in the basement.