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Old 02-04-2008, 04:18 PM   #1
sliprose
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Default Bottle Conditioning Temp & Diacetyl

I have been using my back basement for my primary/secondary/bottle carbonating/bottle conditioning area. The temperature at this time of year ranges from about 60 degrees to 64 degrees. I am on my 5th batch of ales and have only used dry yeasts so far: Nottingham and Safale US-05.

I am trying to understand what I tasted in a young Pale Ale in the bottles 1 week made with US-05, after 1 week primary & 1 week in secondary primed with corn sugar - fermentations appeared normal.

My sample bottle had some carbonation but it obviously wasn't done carbonating (although there were some bubbles). It also had some fairly strong butter (diacetyl ?) tastes that weren't there when I sampled prior to adding priming sugar and going in the bottles.

I haven't been nervous before, but what concerns me is the butter taste from the in the bottle 1 week sample, as my prior batches never had this buttery taste at 1 week and it wasn't there before the priming.

Assuming it is diacetyl will it go away with aging? Would it be better to move the bottles to a warmer area to get rid of diacetyl? Is this basement at 60deg- 64 deg area too cold or will it just take longer than at a higher temp?

I know the beer needs to age longer before drinking but as a beginning brewer I want to better understand the tastes at different stages mean I want to be proactive if I can help my beer along .

Thanks.

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Old 02-04-2008, 05:07 PM   #2
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i've only noticed diacetyl with lagers. i honestly wouldnt worry about it, as you stated you know it will need to age more. 4 weeks from now you'll be pounding them back wondering what you were worried about!

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Old 02-04-2008, 05:52 PM   #3
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If you only do your work in the 60-69 F temperature range you will be fine for most everything, *besides lagers*

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Old 02-04-2008, 06:10 PM   #4
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Good to know that 60-64 F should be okay for everything, at least ale related.

I guess what confused me was the buttery taste that wasn't there when I put in bottles. I assumed it was diacetyl from the priming sugar that maybe wasn't clearing out due to the low temperature. I just wanted to make sure that I shouldn't be moving the bottles to a warmer spot for a while.

I'm not planning to drink for another 3-4 weeks, so I'll find out then what happened. In the meantime, I'll relax and have a homebrew.

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Old 06-09-2009, 02:38 PM   #5
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Bump for this thread as I am having the exact same issue. One week primary, one week secondary, bottle conditioning and fermentation both in low to mid 60's. 10 days into bottle conditioning I opened a sample bottle. Carbonation is perfect and beer tastes great except for buttery taste that was not present at bottling.

Anyone else experience this? Will it go away?

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Old 06-09-2009, 02:46 PM   #6
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Quote:
Originally Posted by kevmoron View Post
Bump for this thread as I am having the exact same issue. One week primary, one week secondary, bottle conditioning and fermentation both in low to mid 60's. 10 days into bottle conditioning I opened a sample bottle. Carbonation is perfect and beer tastes great except for buttery taste that was not present at bottling.

Anyone else experience this? Will it go away?
3 weeks @ 70, 3 weeks @ 70, 3 weeks @70

Tasting and worrying about the flavor of a beer under 6 weeks (an definitely under 3) is a waste of time (the worrying part that is) more than likely that taste will be gone when thee beer has actually finished conditioning.

Just because the beer is carbed, doesn't mean it still doesn't taste like a$$ still.

Read this, and revisited them in a few weeks. Revvy's Blog, "Of patience and bottle conditioning."
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Old 06-09-2009, 03:44 PM   #7
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Maybe I should have bolded the word sample. I tasted a sample and made an observation. I'm well aware of the standard bottle conditioning times. I'm merely noting the different between the flavor prior to bottling and 10 days afterwards (I actually do like to crack one or two open before three weeks is up to note the changes). It's an observation. I didn't say I was worrying about anything. I posed a pragmatic question about the effects of bottle conditioning on diacetyl levels.

And thanks for the post, but even though I haven't been on this forum for very long, this must be the 50th time I've seen you post that link.

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Old 06-09-2009, 04:35 PM   #8
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...because it's the bazillionth time he's seen these issues arise.

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Old 06-09-2009, 06:07 PM   #9
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I understand that. Perhaps it is my fault for posing a question like this and expecting to actually discuss the effects of bottle conditioning on diacetyl levels over time rather than having it pigeonholed into another "3 weeks at 70 or GTFO" thread.

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Old 06-09-2009, 06:17 PM   #10
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Well, to be fair, I don't think anybody is copping a "GTFO" attitude...at least I don't see it.

The OP is talking about tastes in a 1 week old bottle...there are lots of weird things still going on in there and it's maybe a bit premature to be talking about diacetyl.

A taste arc of 3 weeks --> 1 year would probably provide much more useful information.

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Bottled/Conditioning:Siberian Raven Winter Ale, Cherry Tree Porter, Victoria's Dirty Secret

Drinking: Montgomery Scottish Ale, Thames American Bitter, Crow's Beak Old Ale, Bastet Brown, Carbon's Cascade Ale, Red Silo Honey IPA

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