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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Grain mill gap setting?
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Old 03-21-2013, 03:16 PM   #1
arborman
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Default Grain mill gap setting?

Ive searched the forums, and found some info, but wanted to bounce this question off the forum group: I just received my barley crusher mill, and it comes factory set at .39 thousands of an inch (1mm). Is this a proper setting for an all grain mash? I am using an igloo round cooler with a ss braid. I have done 2 prior all grains, but used pre milled grain and had very low efficiency.

Id like to find a balance of a good crush without a high risk of a stuck sparge...

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Old 03-21-2013, 04:31 PM   #2
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I use .35 in my barley crusher And hit 85% efficiency and batch sparge

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Old 03-21-2013, 05:18 PM   #3
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I've been using the factory setting on mine and it works well.

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Old 03-22-2013, 05:11 AM   #4
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Thanks guys!

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Old 03-22-2013, 01:11 PM   #5
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I condition my grains and run my crusher at .30. Tried .25 once and got flour caking the rollers so backed off next time out. Efficiency running 80% in my rectangle cooler with bazooka screen.

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Old 03-22-2013, 01:47 PM   #6
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With a MM 2-2, I've used 0.035 to 0.045" and have to say the efficiency was excellent at 0.035 and the flow rate was outstanding at 0.045. But it does appear that a compromise gap of around 0.038 to 0.040" could be helpful. It sounds like BC's factory setting should be about right.

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