I took my chances and drove out there to pick them up. They were nasty but they have cleaned up way better than my expectations could have hoped for! I used CLR's mold and mildew remover WITHOUT bleach. The only 2 options I considered were this cleaner and a diluted white vinegar. Rather than going the vinegar route and then trying to deal with removing that smell, I tried this CLR stuff. Bought it from Harris Teeter grocery store and it works great.