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Inconsistently carbed bottles

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DFP51

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Dec 31, 2010
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I bottled a Kolsch a little over three weeks ago. I fermented it at 60 degrees for 28 days, and then crashed it down to 40 for a week before bottling. My gravity readings were right on, so I am pretty sure it finished before bottling it. In any event, I put two in the fridge last night. The first one, which was not cold when I opened it, was fine. Good head, appropriate carbonation, no off flavors. The second one I opened tonight after 24 hours in the fridge. It gushed all over the place. I put a six pack in the fridge tonight and will open a couple tomorrow, but I can't think of anything that would make the carbonation level go up as the beer cools. Any one have any ideas?
 
It's really just because they're just on the cusp of being ready.

Inconsistant carbonation, usually simply means that they are not ready yet. If you had opened them a week later, or even two, you never would have noticed. Each one is it's own little microcosm, and although generally the should come up at the same time, it's not an automatic switch, and they all pop on.

A tiny difference in temps between bottles in storage can affect the yeasties, speed them up or slow them down. Like if you store them in a closet against a warm wall, the beers closest to the heat source may be a tad warmer than those further way, so thy may carb/condition at slightly different rates. I usually store a batch in 2 seperate locations in my loft 1 case in my bedroom which is a little warmer, and the other in the closet in the lving room, which being in a larger space is a tad cooler, at least according to the thermostat next to that closet. It can be 5-10 degrees warmer in my bedroom. So I usually start with that case at three weeks. Giving the other half a little more time.


The three weeks we talk about is usually just the minimum. Many beers take longer. If you had given them another week, more than likely you never would have noticed.

Just give them more time.
 
So the carbonation will recede a bit over the next couple weeks? Wow, that seems weird.

Thanks for the insight
 
If you watch Poindexter's video on time lapsed carbonation, you will see that in many instances, before a beer is carbed it my gush, that's not from infection, or mixing of sugars, and it's not really carbed yer, but because the co2 hasn't evened out- it hasn't been pulled fully into the beer. Think of it as there's a lot of co2 being generated and most of it is in the headspace, not in the beer, so there's still "over pressure" in the bottle, so it gushes when it is opened.

But when the beer is truly carbed it all evens out, across the bottles.

[ame=http://www.youtube.com/watch?v=FlBlnTfZ2iw]time lapse carbonation - YouTube[/ame]

What you consider over carbed is more than likely actually NOT really carbed yet.
 
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