My Mom purchased a flour mill recently so I figured I'd try it for brewing. It's a burr-type mill, which I think is the same as the corona mills (at least similar).
I brewed with the crush pictured below and got 75% efficiency and it drained perfectly. I'm pleased!
Here's the mill:
I brewed with the crush pictured below and got 75% efficiency and it drained perfectly. I'm pleased!
Here's the mill: