Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > BIAB Brewing > Guess who got 85% mash efficiency with BIAB??
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Old 06-07-2014, 02:32 AM   #1
wilson42203
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Default Guess who got 85% mash efficiency with BIAB??

That's right, folks. Today I brewed a cream ale and built the recipe based on 70% efficiency. When I got done, my OG was 1.066. When I recalculated based on that, it came out to 85%!!

Guess this one won't be a lawnmower beer. I mashed low and long (90 min at 150), so I'm guessing I will finish lower than what my program is estimating (1.017).

This is gonna be closer to a pre-prohibition cream ale.


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Old 06-07-2014, 02:34 AM   #2
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Congrats! Please, tell us about your crush, process, etc...


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Old 06-07-2014, 03:02 AM   #3
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My LHBS just got a new, fancy grain mill. Its only downside is it only has one crush setting, so I double-crushed. After it had gone through the 2nd time, it was pretty fine. I may not do that next time.

I got my strike water to 154. I do full volume mash and boil, so my 8.5 lbs of grain brought the mash temp to 150. I was surprised that it held there for the entire 90 min mash (the warm day probably helped).

When the mash was finished, I squeezed the bag as much as I could (like usual) and then boiled for 60 min.

I boiled 5 gal down to just under 4 gal. My last cream ale was my first, and it was one of my best brews yet. Hopefully this will rival that one.
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Old 06-07-2014, 03:10 AM   #4
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Here's the recipe. I used White Labs Cream Ale Yeast (WLP080 I think), no starter, 1 tsp of yeast nutrient.
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Old 06-07-2014, 03:18 AM   #5
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Thanks for the details!
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Old 06-07-2014, 03:33 AM   #6
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So much for BIAB being low efficiency! Congrats on the nice work.
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Old 06-07-2014, 08:23 AM   #7
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I biab IMO it has better efficiency for sure. 85-91 every time. Although crush may have more to do with it. Biab allows for super crushed grain.


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Old 06-07-2014, 06:17 PM   #8
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So no sparge and no mashout? Very nice.
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Old 06-07-2014, 06:28 PM   #9
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85% is quite impressive. Likely due to the fine crush and squeezing the bag to claim all that wort goodness. My BIAB efficiency is high 70s at best. But then, I never double crush. I might have to try that and see where my efficiency goes.
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Old 06-07-2014, 06:34 PM   #10
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I was going to brew a cream of three crops this coming up week, but since I'm in OC too, I'll just share your cream ale.

What LHBS do you go to? Even though Bridge view is within walking distance, and Larry the owner is practically my neighbor and his Kids were babysat by my GF's grandma, I don't go in there often. But I saw the remodel/renovation going on over on his building on Main street. I hear he's starting a pub?

Is that the brew shop you go to. If yes, has things changed?


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