Posted Sun May 6, 2012, 7:00pm Subject: Re: Odd Question But Do New Grinder Burrs Have An Odor?
fredk01 Said:
You might want to season those burrs with a bit of mineral oil or vegetable oil. Those burrs will rust (oxidize) now that the protective layer of oil has been removed.
The advantage of mineral oil (the type you get at the pharmacy) is that it will not go rancid.
The oils from your coffee beans will eventually season the burrs, but I have no idea how long it might take to build up enough of a protective coating to keep the burrs from rusting.
I suspect that it was actually some sort of seasoning oil on your burrs, not cutting oil, as I think that cutting oil would not be good for your health.
Good point in regards to seasoning the burrs. I do have some mineral oil that I use for seasoning my cutting boards. I will definitely use them on the burrs. Thanks!
calblacksmith Moderator Joined: 25 Nov 2007 Posts: 5,665 Location: Riverside, Ca, U.S.A. Expertise: I live coffee
Espresso: ECM Veneziano A1 Grinder: Many different commercial Vac Pot: 40s era Silex Drip: Milita, Bunn&Curtis... Roaster: Cast iron pan, gas burner
Posted Mon May 7, 2012, 5:47am Subject: Re: Odd Question But Do New Grinder Burrs Have An Odor?
wsikes Said:
How do you apply the mineral oil and how much do you use? After the mineral oil is applied would you want to run Grindz or Minute Rice through the grinder, or would that remove too much of the mineral oil?
My personal view is that it isn't a big deal and no off flavors will be imparted to the coffee. I have replaced LOTS of burr sets and never washed/oiled any of them and have never had an issue at all.
That said, if you feel you must put some oil on them, only use enough to coat. When you are done, they should feel dry to the touch. No I would not worry about grinds or rice but if it makes you more comfortable, go ahead, you will not hurt anything.
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