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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Grade my Crush! Poor Efficiency
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Old 01-08-2013, 04:09 PM   #1
br1dge
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Default Grade my Crush! Poor Efficiency

We have always been on the lower end of the efficiency scale 65-70%, but usually good enough that we didn't worry too much about it, but our last batch was just too damn low (50%) These are 20G recipes of some pretty big beers, (1.080,) so I expect to take a hit compared to 5G of a 1.050 beer, but at this scale, the cost difference in the grain bill for 50 vs 75% efficiency is enough to start thinking about it more.

Can I get some feedback on this crush?



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Old 01-08-2013, 04:37 PM   #2
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Seems like I am seeing a lot of uncrushed hulls. Not the best crush I have seen... they probably put too much in at once, trying to hurry things along. We'll see what other people have to say about it....


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Old 01-08-2013, 04:41 PM   #3
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Looks like the hulls got scrubbed off or loosened but the grain is mostly uncrushed.

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Old 01-08-2013, 04:45 PM   #4
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Maybe lay them out on a big cutting board, run a roller pin over them... see what happens to your efficiency then.
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Old 01-08-2013, 05:38 PM   #5
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Either do the rolling pin-PITA or since you got them locally go back and have the run through the mill again, IMO that is a piss poor crush!

While you're there talk to them about their mill settings and re-calibrating.
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Old 01-08-2013, 06:04 PM   #6
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Quote:
Originally Posted by duboman View Post
While you're there talk to them about their mill settings and re-calibrating.

This is probably the best advice, go back and get them to crush it proper. Like the saying goes though, if you want something done right, do it yourself. You should not be seeing so many uncrushed hulls.
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Old 01-08-2013, 06:21 PM   #7
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F-, that crush is Shi-tay. Looks like you have a lot of uncrushed grain, and its hard to tell fro the photo, but I'm guessing little to no flour.
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Old 01-08-2013, 06:26 PM   #8
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hard to tell the overall crush from one pic, but what I see looks way too coarse. TBH - if all the grain is like that, I am not surprised your efficiency took such a big hit. What a bummer

I bet they havent adjusted their mill in quite some time and it's due for a tune-up. You might ask if they would be willing to adjust it; if not, I would look into other options. Owning and mill and buying grain in bulk is quite liberating.
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Old 01-08-2013, 07:21 PM   #9
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Quote:
Originally Posted by Schnitzengiggle View Post
F-, that crush is Shi-tay. Looks like you have a lot of uncrushed grain, and its hard to tell fro the photo, but I'm guessing little to no flour.
F- is a bit harsh. I give it an F. Buy a mill if that is the crush your LHBS is selling.
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Old 01-08-2013, 07:28 PM   #10
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Quote:
Originally Posted by bknifefight View Post
F- is a bit harsh. I give it an F. Buy a mill if that is the crush your LHBS is selling.
Or tell them you'll start buying from somewhere else. If they are boning you don't buy your mill from them just because they aren't doing their job. A second run through should help a bit at the very least.


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