First time poster here, so if this is a dumb question I apologize (and I am a high school teacher, so yes, there are dumb questions). My wife and I are in the first winter in our new home and bought a load of firewood to get us through this burning season. We've been having issues with our stove, a GM 60, and I have been talking to our dealer to figure those issues out (figuring out moisture content, when to engage catalysts, etc). One thing I wonder about is dried dirt on some of our wood. We knock and brush as much of it off as we can, but there are some chunks that still have some dirt on the surface, not covered completely, but just still a little dirty. I know the guy we bought it off of and it simply is dirt from where it was stored. How much damage will this do, if any, to the stove and the catalysts? Solutions?