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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Last three efficiencies (same method): 77%, 88%, 56%!!!

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Old 06-04-2011, 11:34 AM   #1
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Default Last three efficiencies (same method): 77%, 88%, 56%!!!

I'm pretty sure the 56% came in from a weak mill. But, good god this hobby can be frustrating at times.

I guess my Summer Saison, will be a Session Saison.

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Old 06-04-2011, 06:55 PM   #2
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I think you're right, milling can make a huge difference in efficiency. One idea (other than milling your own) would be to keep some dry light malt extract on hand, so that you can add it to your wort, if necessary.

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Old 06-04-2011, 07:10 PM   #3
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Also you could buy a refractometer to check SG on the fly. With a few calculations, you could adjust your brew to meet your desired OG by either sparging more, adding water or increasing your boiling time to compensate.

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Old 06-05-2011, 03:40 AM   #4
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I always keep LME or DME around for bumping OG's and for starters But checking the crush is a great starting point, temps would be next

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Old 06-05-2011, 03:46 AM   #5
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Did any of those have wheat in them? Wheat doesn't do well in a single infusion mash. Other than that I would +1 to the grain crush and temps.

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Old 06-05-2011, 05:45 AM   #6
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an often overlooked factor that changes efficiency is volumes... what was the post boil volume.. what was the anticipated batch size the recipe was designed for? .5 gallons off can make the efficiency 8 points or more off. if it was designed for 5 gallons and you have 5.5 it'll be off..

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Old 06-05-2011, 12:34 PM   #7
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Thanks for the suggestions. I think I'll keep the DME around for this in the future. I do have a refracto and I did consider adding time to my boil, but I didn't really feel like it.

I think in the future I'll keep around plenty of DME, my refractometer and a calculator and I'll be fine.

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Old 06-05-2011, 12:58 PM   #8
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Quote:
Originally Posted by Mysticmead View Post
an often overlooked factor that changes efficiency is volumes... what was the post boil volume.. what was the anticipated batch size the recipe was designed for? .5 gallons off can make the efficiency 8 points or more off. if it was designed for 5 gallons and you have 5.5 it'll be off..
The volume of the runoff has nothing at all to do with the conversion or lautering efficiency. Accurately measuring the run off volume is essential, but what that volume actually is makes no difference in the efficiency calculation. The amount of boil off will obviously affect your OG, but it won't affect your efficiency at all.
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Old 06-05-2011, 01:17 PM   #9
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I agree with Mysticmead about volumes I crush my own grain and that has helped alot with efficiency but when my volumes are off I find a wide range in mash efficiency but either way the beer I make turns out just fine.

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Old 06-05-2011, 01:48 PM   #10
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Long enough mash? Iodine test.

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