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02-03-2007, 04:59 PM
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#1
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Reinvented Biermann
Join Date: Mar 2006
Location: East Peoria, IL
Posts: 1,469
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Funky off flavors in AG Doppelbock
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I brewed an all grain Doppelbock back in September. The fermentation lasted about 3 weeks, and then I brought it up to diacetyl rest for 1 day when done, then gradually brought the beer to a 32 degree lagering temp, lowering the temp 3 deg/day. It has been lagering ever since early Oct. I tasted it yesterday, and it had this really bad "whang" to its palate, and it was very evident in the aroma. I couldn't detect any diacetyl (no buttery flavors), and the taste this thing has doesn't seem to be acetaldehyde either. I tasted it two other times prior to yesterday, and it has mellowed somewhat, but not where I would expect it to after 4 months.
The recipe is as follows:
8 lbs. Durst Munich
5 lbs. Durst Vienna
2.5 lbs. Durst Dark Munich 40 EBC
0.5 lbs. Durst Medium Crystal
Boil Additions
2 oz. Northern Brewer (60 min)
Yeast
Wyeast #2206 Bavarian Lager Yeast.
I employed a protein rest, and used a single decoction to raise to saccharinification rest, and held that for an hour. My sparge got a little screwed up, and the OG ended up a little low (1.070 instead of 1.079).
I kegged it yesterday to get it off any residual yeast cake, and I put it back in the lagerator after I purged all the air out if it.
Does this thing have any hope?? I'm beginning to have my doubts.
Advice?? Am I just being too impatient??
__________________
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On Draft:
Degradation IPA 8.2%
Blackstrap porter 6.1%--under nitro
Freedom's Bitter Alimony Ale
Holding tanks:
Conical #1:Nichts
Bottles: 4 cases--IRV Belgian style golden strong ale
2 cases--IRV Brett conditioned Belgian strong ale
2 cases--IRV Brett and wine oak aged strong ale
On Deck:
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02-03-2007, 07:14 PM
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#2
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Cranky Old Guy
Join Date: Oct 2005
Location: Willamina & Oak Grove, Oregon, USA
Posts: 24,799
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"whang" - Never tried it and I don't like it.
Still, that's a fairly high gravity and moderately high IBU, so give it some more time. If it was an ale I would have aged it at least that long and conditioning heavy lagers is a slow business.
__________________
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
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02-03-2007, 11:05 PM
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#3
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Beer Bully
Join Date: Jul 2005
Location: Barony of Fuquay-Varina, NC
Posts: 5,421
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Looks like a good recipe. Can you describe "whang" a bit more?
Did you test for conversion?
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02-04-2007, 03:26 PM
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#4
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Reinvented Biermann
Join Date: Mar 2006
Location: East Peoria, IL
Posts: 1,469
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Well, the best way I can describe the flavor/aroma is that it is a sickeningly sweet, caramel, raisiny flavor--- the beer doesn't make you gag, but it definitely has some off flavors. Its like if you take the characteristic "good" raisiny/malty flavors of a Belgian dubbel (and some doppelbocks that I've had) and multiplied them by 50x's.
__________________
--------------------------------------------------------
On Draft:
Degradation IPA 8.2%
Blackstrap porter 6.1%--under nitro
Freedom's Bitter Alimony Ale
Holding tanks:
Conical #1:Nichts
Bottles: 4 cases--IRV Belgian style golden strong ale
2 cases--IRV Brett conditioned Belgian strong ale
2 cases--IRV Brett and wine oak aged strong ale
On Deck:
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02-04-2007, 03:27 PM
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#5
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Reinvented Biermann
Join Date: Mar 2006
Location: East Peoria, IL
Posts: 1,469
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My final gravity ended up about 1.018, FYI.
__________________
--------------------------------------------------------
On Draft:
Degradation IPA 8.2%
Blackstrap porter 6.1%--under nitro
Freedom's Bitter Alimony Ale
Holding tanks:
Conical #1:Nichts
Bottles: 4 cases--IRV Belgian style golden strong ale
2 cases--IRV Brett conditioned Belgian strong ale
2 cases--IRV Brett and wine oak aged strong ale
On Deck:
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02-04-2007, 03:28 PM
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#6
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Reinvented Biermann
Join Date: Mar 2006
Location: East Peoria, IL
Posts: 1,469
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Quote:
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Originally Posted by Baron von BeeGee
Did you test for conversion?
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can't really remember if I did, although I usually do this. (I have forgone this step several times though--have never had a problem with conversion)
__________________
--------------------------------------------------------
On Draft:
Degradation IPA 8.2%
Blackstrap porter 6.1%--under nitro
Freedom's Bitter Alimony Ale
Holding tanks:
Conical #1:Nichts
Bottles: 4 cases--IRV Belgian style golden strong ale
2 cases--IRV Brett conditioned Belgian strong ale
2 cases--IRV Brett and wine oak aged strong ale
On Deck:
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02-04-2007, 08:20 PM
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#7
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Beer Bully
Join Date: Jul 2005
Location: Barony of Fuquay-Varina, NC
Posts: 5,421
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I don't know what you're hopping schedule gave you, but it sounds underhopped to me if what you're describing is a cloying sweetness. I think your FG sounds pretty good.
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02-04-2007, 08:26 PM
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#8
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Senior Member
Join Date: Dec 2005
Location: SW Michigan..Bangor/Covert area
Posts: 1,261
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Perhaps you could try a hop tea as an addition to a sample, and see if said "whang" is reduced...............
__________________
As for me and my household, we shall serve the Lord. Joshua
"God is great, beer is good, people are crazy." Some country artist
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02-04-2007, 09:53 PM
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#9
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Senior Member
Join Date: Jan 2006
Location: Boston, MA
Posts: 282
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How long was it in the primary?
__________________
Primary: nada
Secondary: nada
On Tap: Uncle Willie's Pale Ale; Kolsch
Bottled: Salvator Dopplebock
Up Next: Octoberfest
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02-05-2007, 01:45 PM
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#10
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Reinvented Biermann
Join Date: Mar 2006
Location: East Peoria, IL
Posts: 1,469
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It sat in the primary for about 3 weeks. It took that long to stop bubbling.
__________________
--------------------------------------------------------
On Draft:
Degradation IPA 8.2%
Blackstrap porter 6.1%--under nitro
Freedom's Bitter Alimony Ale
Holding tanks:
Conical #1:Nichts
Bottles: 4 cases--IRV Belgian style golden strong ale
2 cases--IRV Brett conditioned Belgian strong ale
2 cases--IRV Brett and wine oak aged strong ale
On Deck:
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