I bought grit at the feed store. Even though my girls get plenty of dirt around their yard and when I take them out of "field trips," I'm concerned they don't get enough. So, to be on the safe side I have one bowl of oyster shell for enough calcium and one bowl of grit. It's "free choice" so I'm...
My chickens live in a large yard with lots of dirt. They "dirt bathe" in any soft spot. When I let them out to run around the big yard (while I'm out with them keeping the hawks away) they love to dirt bathe in the gravel driveway!!!! It's hysterically funny. I don't know why they like the rocks...