I'm not an Ohio resident (Michigan) but we have to travel through Ohio to get almost anywhere to the east. When traveling the turnpike or I-75, I've noticed large "No Firearms" signs on the doors to the rest areas. In the small print, there seems to be an exemption for "legally carried" weapons...
Ed's Red
I made a gallon a couple of years ago. It works great. The recipe I saw called for a quart each of ATF, Kerosene, Acetone and Mineral Spirits. See Link Removed for "the rest of the story."
Robert Carr
Presque Isle, MI