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Old 01-29-2012, 05:50 AM   #1
dooman333
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Completed my first BIAB tonight and thought I might share my experience and ask a few questions. Thanks to guys like "Seven" and their awesome no sparge pulley system, I was able to replicate this style rig. Also I big thanks to "Carrolte" who GAVE me a sheet of swiss viole in the Christmas spirit. I tried to document as much as possible to later correct any errors as there ended up being one, my efficiency. So here we go...

Doo's Pale Ale
Recipe:
8 lbs 2 row pale
5 lbs Munich 10
1 lb Crystal 60

1oz Northern Brewer @60 min
0.5oz Cascade @30 min
0.25oz Columbus @30 min
1oz Centennial @15 min
0.25oz Columbus @15 min
0.5oz Cascade @5 min
0.5oz Columbus @5 min

Results wanted...
70% Efficiency
1.073 OG
1.018 FG
78 IBU
7% ABV
12.4 SRM

Results recieved...
56% Efficiency
1.058 OG
1.015 FG
86.5 IBU
5.7 ABV
12.4 SRM

(obviously FG, IBU, SRM and ABV are estimates as I brewed this today)

I wish it were better but Im not that upset with my low efficiency due to how delicious this wort looked, smelled and tasted compared to my previous extract brews. Here were my steps...

Heat 8 gallons H2O to 175F


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Old 01-29-2012, 05:52 AM   #2
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Mashed all 14lbs at 154F and covered yes with my old blaze hunting jacket. haha worked well!


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Old 01-29-2012, 05:55 AM   #3
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After 60min mashing I raised her up, gently pressed the grains with a sauce pan cover and let hang for 20min.
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Old 01-29-2012, 05:57 AM   #4
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Then brought my wort up to 212F and followed my hop schedule.
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Old 01-29-2012, 06:00 AM   #5
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After the 60min boil i proceeded to chill her down the good ol' Wisconsin way... SNOW!
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Old 01-29-2012, 06:02 AM   #6
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Before I arrated and pitched (Wyeast American Ale II) I took an OG. And there she is.
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Old 01-29-2012, 06:08 AM   #7
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Everything went very smooth and as expected except for when I pulled the grain bag/basket out after mash out and was going to dump spent grain, there was an additional gush of wort that spilled out (maybe a pint).

Was this the reason for low efficiency? Besides that, I think I did everything else by the book.

So what do you guys think? and what could I do better?

Again, thanks to those mentioned above!
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Old 01-29-2012, 01:12 PM   #8
jaynik
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Looks like good work to me. I would lift the grain bag while it's in the basket draining and after squishing to see if you can shake loose that elusive leftover wort. Check back in after it's done and let us know if it's a good drink!

 
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Old 01-29-2012, 02:14 PM   #9
RM-MN
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Next time you do this, open that garage door a crack to let in fresh air/let out any CO produced. We'd prefer you don't die from carbon monoxide poisoning. It would ruin your whole brew day.

Any wort left in that bag of grain will affect your efficiency so squeeze the h*** out of it. Since you have a nylon bag with lots of surface area a stuck sparge will never be in the picture so get your grain crushed/ground pretty fine. That also will increase your efficiency. I've gotten over 80% with a similar setup. For my best efficiency I mashed in a little less water and then "sparged" by pouring cold water through the grain bag to rinse out some wort and cool the grain so I didn't burn my hands while squeezing. That way I squeezed out another quart (estimated) of wort.

Chilling goes faster if your big bucket has a mixture of water and snow. You want the level of the water to be up to where the level of the wort is in the pot and keep adding snow as it melts to keep the water as near the freezing point as you can.

 
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Old 01-29-2012, 02:29 PM   #10
acuenca
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Quote:
Originally Posted by RM-MN View Post
Next time you do this, open that garage door a crack to let in fresh air/let out any CO produced. We'd prefer you don't die from carbon monoxide poisoning. It would ruin your whole brew day.
Caught that too... Yeah propane fire in closed spaces is a recipe for CO poisoning...Back to low efficiency... I use a modified BIAB method and dunk sparge too... THere are alot of sugars left in there...also, who crushed your grain? tHe LHBS? or you? or store? Sometimes low efficiency can be due to grain crush...



 
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