Expected priming time after 5 months in fridge?

Question

Expected priming time after 5 months in fridge?

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2014年2月12日 18:34

I had a demijohn of beer sitting 'maturing' in the fridge for 5 months, neglected mostly.
Needless to say it was crystal clear, which is little pointless as I ended up bottling it because within 5 months I hadn't sorted out CO2 for the keg (links with this other problem I had due to no co2). So the majority of yeast would have sunk to the bottom and the viability of anything floating around I'll assume is low. It's day 20 and there is a respectable thin and clean looking layer of yeast in the bottles but last week the beer was still quite sweet not fully carbed.

How much longer than usual should I expect for complete priming?

Obviously I've waited 5 months so I can wait a lot longer.

Topic cold-crash maturation cellaring priming homebrew

Category Mac

brewchez · Accepted Answer · 2014年2月12日 18:34

The presence of yeasty dust in the bottle and some carbonation leads me to believe you can expect these to carbonate normally. I have lagered beer at controlled temps for at least 5 months and gotten successful bottle conditioning.

Issues holding yours back are likely the temp swings. Move the bottles to someplace closer to 70F and try and hold them there. The swinging up and down during the day does not help the yeast out. As the bottles cool again the yeast try to go dormant.

Put some in an oven with the oven light on only. That will help maintain some temp. Or put an electric heating pad in a box with a few bottles to get them warmer. (Obviously, not to warm)

Once they are warm I'd gently rouse the yeast into suspension by tipping the bottles over and swirling them a bit to get the yeast off the bottom. Only rouse after warming them or the yeast will still think its too cool and settle out again.

If you warm up, rouse and hold steady; two more weeks might get you there.

FishesCycle · Accepted Answer · 2014年2月12日 03:14

After 5 months of cold storage, there would but next to no viable yeast left in the beer. Store it for a couple more weeks, somewhere warm, and you may get lucky. If not, you'll want to remove the caps, add a couple grains of dry yeast to each bottle, and recap. Don't worry too much about oxygen, as the renewed fermentation should consume any oxygen that's inadvertently introduced.

Expected priming time after 5 months in fridge?

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