I need to clean squirrel dung from a concrete block wall (interior) before I paint. I have tried pressure washing, greased lightning, Clorox and even pain thinner. Do you have a suggestion for removing this nasty stuff?
I need to clean squirrel dung from a concrete block wall (interior) before I paint. I have tried pressure washing, greased lightning, Clorox and even pain thinner. Do you have a suggestion for removing this nasty stuff?