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Old 11-06-2012, 12:28 AM   #1
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Default Low efficiency with Canada Malting Co. Pale malt?

So I recently picked up a 55 lber of the Canada Malting Co pale malt as a cheap base malt. Since I have started using this malt, I have noticed that recipes which ranged from 74-80% efficiency are now coming in at around 68-70%. Is my barley crusher starting to slip or could this possibly be due to the change from US 2-row from my LHBS (breiss?) to this canadian malt?

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Old 11-06-2012, 03:14 AM   #2
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You know, I've been wondering the same thing. I bought a couple sacks of this grain and my eff has dropped down to about 73% from the 82-85% that I got w/ the Briess 2-Row. I think I'm going to try something different (MO maybe) when what i have is gone, but it might be a while since brew days have been few and far between lately. I have pretty much a whole bag left, but I'm curious about what will happen when I switch base grains again.

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Old 11-06-2012, 04:12 PM   #3
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I use that same grain and the batch I brewed this weekend came in at 77%.

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Old 11-06-2012, 04:54 PM   #4
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Quote:
Originally Posted by Tsouke
I use that same grain and the batch I brewed this weekend came in at 77%.
Have you brewed the "same" recipe w/ a different base malt? I wonder if there is a difference.
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Old 11-06-2012, 05:15 PM   #5
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Tsouke, what is your normal efficiency range and do you always use canada malting? My hypothesis is that the malt is what is causing the lower efficiency but I am also going to wait until I finish off the bag before I use my usual Briess 2-row again. Looking forward to testing my theory.

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Old 11-06-2012, 06:02 PM   #6
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When growing grains there can be quite a difference in the size of the kernels. It may be that the kernel size is smaller this year and thus they aren't getting crushed as well as last year's crop.

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Old 11-06-2012, 06:10 PM   #7
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Also it could be crop year. This years malt barley is far from the best. Are you comparing a new bag of Canada malt to old bags of Briess? Chances are, if you got two maltsters from the same year, they may both have dropped in efficiency.

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Old 12-14-2012, 06:36 PM   #8
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Sorry for the delay responding, don't check in here much. Yes, I usually use Canada Malting for my base malt. Always been happy with the efficiency (15 years of brewing with a variety of different grain supplies). I am usually in the high 70's to sometimes low 80's when I get lucky. Not sure what to say about your low efficiency, guess I am not much help troubleshooting for you besides saying my experience with them.

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Old 12-14-2012, 06:55 PM   #9
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Are you usinbg your expected extract from the "Average" extract published in tools such as Mr Malty, or the analysis that was published for this grain?

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Old 12-14-2012, 07:20 PM   #10
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FWIW I've noticed a drop off in my efficiency since my last bulk buy (late Sept) I'm using Great Western, though.

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