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Old 10-16-2012, 12:37 AM   #1
ThePonchoKid
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Default calculus said 1.067

I got 1.063OG

biab squeeze no lauter

when i use the beer calc im only entering the grains and hops and making no adjustments anywhere else on the program

is 1.063 decent or to be expected given all that?


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Old 10-16-2012, 12:58 AM   #2
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Well first of all we can't say whether a 1.067 estimated OG is correct without having the grains you used.

If your program said 1.067 and you got 1.063 you are fine. 4 points off is nothing.


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Old 10-16-2012, 01:00 AM   #3
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11lb Marris Otter
.5 lb Caramel 80
.5 lb flaked corn
.5 lb vienna
.5 lb biscuit

7.65'ish pre-boil volume (+/- .08)

.3 oz centennial 9.7%aa (60 min)
.2 oz zythos 10.9%aa (60 min)
.5 oz centennial (15 min)
.8 oz zythos (15 min)
1 tsp'ish Irish moss (10 min)
.7 oz centennial (1min)
.5 oz zythos (1 min)

as per beer calculus: 42.5 ibu, 1.067 og 6.7 abv


164F strike
158F after 5 min of stirring
152F after 15min (strapped a wool blanket around it at this point)
149F after 45 min
148F out

1.063 OG
s-04 x 1 package

I'll be doing the exact same brew again tomorrow, so it will be interesting to compare results
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Old 10-16-2012, 01:12 AM   #4
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Only 4 points lower is very good.
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Old 10-16-2012, 01:14 AM   #5
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Wicked. Thank you!

Holding that bag, waiting, squeezing etc etc, nearly killed me
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Old 10-16-2012, 02:42 PM   #6
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Yeah, you got to within about 2-3% of the correct efficiency. Most recipes assume a 72-75% efficiency, so you have to hit that exact assumed efficiency to get the recipe's exact OG.

So, in this case, the recipe assumed a 72-75% efficiency, and you actually achived somewhere around a 69-73% efficiency.

If you want to bump up your efficiency in the future, either crush your grain a little finer (or run it through the mill twice), use a little bit more grain, or add a mash out step after your BIAB mash.

Good luck!
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Old 10-16-2012, 04:51 PM   #7
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Quote:
Originally Posted by ThePonchoKid View Post
Wicked. Thank you!

Holding that bag, waiting, squeezing etc etc, nearly killed me
I hear that, it's what got me out of BIAB and into a igloo 10 gallon. I was burning my muscles and my skin at the same time holding my grain bag. If I didn't live in a rented apt I would have put a pulley on the ceiling to help lift the bag.
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Old 10-17-2012, 12:07 AM   #8
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Quote:
Originally Posted by carter840 View Post
I hear that, it's what got me out of BIAB and into a igloo 10 gallon. I was burning my muscles and my skin at the same time holding my grain bag. If I didn't live in a rented apt I would have put a pulley on the ceiling to help lift the bag.
Are you doing a 2 vessel system then? How does that work?





Just finished another of the exact same and got 1.063 again

diff mash tho, unintended

164f strike
159 after 5 min stir and cover
154 after 15 min
152-145 after 30 min (dunno what happened here)
142 out

so im guessing holding mash temps in a kettle can be a challenge? I'm making a custom jacket for my kettle

Is there a good alternative to the brewometer that comes with the boilermaker? something I can fit flawlessly in the existing thermostat hole? preferably digital?
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Old 10-20-2012, 01:55 PM   #9
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1.012 after one week on the s-04 at 64F ambient.... damn does it taste interesting. a little heat, a little sweet, going to be pretty clear, warm and fuzzy on the palate

s-05 to measure in a couple of days
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Old 10-20-2012, 06:32 PM   #10
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Quote:
Originally Posted by carter840 View Post
I hear that, it's what got me out of BIAB and into a igloo 10 gallon. I was burning my muscles and my skin at the same time holding my grain bag. If I didn't live in a rented apt I would have put a pulley on the ceiling to help lift the bag.
What,you couldn't set a collander on top of the BK for the grain bag to drain in? That's what I did...


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