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Old 10-09-2013, 05:21 PM   #1
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Default IPA flavor degradation

I made a Ferocious IPA kit last month and when I initially tasted it, a few days in the bottle, it was pretty great. It could have been a bit more balanced, so I set 12 or so aside to see if the hop flavor would blend a bit more. Last night, after it had been sitting another week and a half or so (six weeks since bottling) it has a cidery flavor to it, and the hop bitterness has been replaced by a tart unpleasant bitterness. Is this what happens to IPA's over time? I've read they degrade. Or is it a process thing? Infection? I have another batch fermenting and would like to avoid this happening again if possible.

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Old 10-09-2013, 05:40 PM   #2
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Did you sample more than 1 bottle? IPA's usually mellow over time, not become tart or sour.

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Old 10-09-2013, 05:43 PM   #3
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Did you happen to leave the 12-pack in the light/sun?

Hop flavor and aroma are going wain in time. Sun light can cause pretty fact 'skunking' according to the interwebs.

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Old 10-09-2013, 06:51 PM   #4
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I tried a few, they all had that same taste. They were sitting in my closet so no sunlight.

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Old 10-09-2013, 07:14 PM   #5
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Did you prime with table sugar? You say that the ones you drank first were "pretty good" what was wrong with them?

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Old 10-09-2013, 07:20 PM   #6
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Quote:
Originally Posted by corpsman619
Did you prime with table sugar? You say that the ones you drank first were "pretty good" what was wrong with them?
I used corn sugar. I said 'pretty good' because they could have been a little more balanced in my opinion, but overall I was happy. Good hop flavor and aroma. These I had last night had a complete breakdown it seems.
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Old 10-09-2013, 09:07 PM   #7
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Quote:
Originally Posted by FlapjackAM View Post
These I had last night had a complete breakdown it seems.
This made me chuckle. Picturing beer having a breakdown...maybe it was hop tears and stressed yeast causing your off-flavors?
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Old 10-09-2013, 09:37 PM   #8
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Quote:
Originally Posted by Phreak

This made me chuckle. Picturing beer having a breakdown...maybe it was hop tears and stressed yeast causing your off-flavors?
Maybe it didn't like me calling it imbalanced...
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Old 10-09-2013, 10:08 PM   #9
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Cidery meaning like vinegar? Could be an acetobacter infection. Hop aroma and flavor will definitely fade while bitterness will remain but not sour, tart or cidery................

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Old 10-09-2013, 10:18 PM   #10
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Quote:
Originally Posted by duboman
Cidery meaning like vinegar? Could be an acetobacter infection. Hop aroma and flavor will definitely fade while bitterness will remain but not sour, tart or cidery................
I'm pretty meticulous with sanitizing but maybe my method of putting my bottles in the dishwasher has something to do with it. Would it take 6 weeks for an infection to show itself? I don't think I would quite call it vinegar but definitely tart and cidery.
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