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Old 08-03-2014, 11:46 PM   #11
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Originally Posted by paperairplane View Post
I use a ghetto ugly junk grain mill and wheat and rye are noticeably harder than barley. I BIAB, so I grind a lot of flour as I can't get stuck. I have never had issues, but I haven't done more than about 30% wheat.

Maybe sneak in some 6 row for more diastic power.
This is the key to great efficiency when working with wheat or rye. BIAB so you don't get stuck and then mill all the grains really fine. You can use up to about 65% unmalted wheat with pale malt for full conversion, maybe a little more with 6 row. I've done 60% wheat with good conversion and efficiency.
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Old 08-03-2014, 11:58 PM   #12
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I have accepted the lower efficiency of wheat beers and adjusted my grain bill accordingly... Probably costs me an extra $2 bucks a batch.

My efficiency has been between 55 and 60% with the Hefe recipe I use and my OG's have been 1.045 to 1.049.

I'm good with it.

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Old 08-03-2014, 11:58 PM   #13
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Wheat and rye are much harder, denser than barley. It takes a lot longer for the hot water to penetrate it and get the starches out for conversion. Fine crush or extended mashes are the trick.

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Old 08-04-2014, 12:45 AM   #14
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Default Low efficiency issues with large % wheat bills

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Wheat and rye are much harder, denser than barley. It takes a lot longer for the hot water to penetrate it and get the starches out for conversion. Fine crush or extended mashes are the trick.
Must be why I experienced low efficiency on my Weizenbock. It had ~50% Weyermann Pale Wheat malt.


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Old 08-04-2014, 02:08 AM   #15
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My honey wheat came in for me at 57% efficiency! OG was 1.042, expected 1.050. I did a 60 minute mash. Hmmmmmm...


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Old 08-04-2014, 03:53 PM   #16
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I gotten 79% and 83% efficiency with the last two 50% wheat beers I've brewed...a Belgian Wit with 43% American White Wheat and 30% Flaked Wheat and a Hefe using 61% German Wheat. I've mashed both at about 152 degrees, typically using .5lbs of rice hulls and fly sparged. I crush the wheat right along with the rest of my grain bill at whatever setting my LHBS shop has set (I have no idea what it is set at). I use 1.5 quarts of sparge water to every 1 pound of grain.

I seem to recall having efficiency issues before I began fly sparging...maybe had one or two around 60%ish...

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Old 08-05-2014, 03:15 AM   #17
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Interesting... I still do single infusion with a double batch sparge and for 90% of the beers I brew this works great. Maybe I'll have to try my hands at a fly sparge for the next wheat heavy beer I do.

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Old 08-05-2014, 04:18 PM   #18
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FWIW, I got a 10% increase in my efficiency when I ran the wheat though the mill twice. I am too lazy to adjust the gap on my barley crusher and the double crush seemed like the easiest solution. My efficiency is pretty similar to what I get with all barley mashes.

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Old 08-06-2014, 03:02 PM   #19
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Yeah, I like the idea of double-milling the wheat. I'll give that a try before long and report back here.


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Old 08-06-2014, 11:07 PM   #20
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I'll be interested to hear as well

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