Submitted by colmin on December 1, 2009 - 9:24am
I just got a used Marathon Uni-Mill grinder, and when I took it apart to clean it thoroughly, I found old, hard layers of dust caking the stones. How do I get these clean? Do I have to send them somewhere to have them dressed (is that the term?)? Thanks!
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stone mill
Your best bet is to see if there is a working stone mill in your area to see what they do. Alot of them are at state parks. But there are some privately ran stone mills also. My daughter burnt a batch in my stone mill, I had to run several batches thru at different settings to clean it off.
Good Luck
Cleaning grinding stones
Thanks for the reply--that's very helpful information!
I found Meadows Mills, Inc.'s web site yesterday and called them about it. They do large mill restoration, including dressing the stones. He told me I could remove the stones, soak them in a bleach water solution (3 Tbs/1qt. water) to loosen the residue, and then scrub them with a stiff bristle brush. I did that, and Voila! everthing came off and the stones look like new! I will obviously let the stones dry for several days before putting them back in the mill to use them. They suggested bleach water in order to kill any mold or insect eggs, too.