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tripel beam
01/11/09 05:48 PM  
diacetyl
I have a golden ale that fermented too cold. I bottled 1/3 or so of it and it and I think now it seems buttery and the RS is higher than I want. I was going to hit this with Al's bugfarm, to get it to go dry and HOPEFULLY, eat up the Diacetyl. Is this likely, or possible?

Also, I was thinking of adding back the (6)750 ml bottles to what is left of batch. Has anyone emptied carbonated beer back to a batch to continue a ferment/bugging without experiencing oxidation? I do not want to make this stale because that would really kill this beer at this point.

Al B
01/12/09 10:54 AM  
Re: diacetyl
First raise the temperature to a few degrees warmer if you haven't done so which enables the yeast to absorb diacetyl. You may need to rouse the yeast if it too flocculant. You should probably do this w/ the bottles too. After a week or so, add the bugfarm.

If you must empty the bottled portion back to the batch, siphon slowly.

SteveG
01/12/09 11:37 AM  
Re: diacetyl
>>I was going to hit this with Al's bugfarm, to get it to go dry and HOPEFULLY, eat up the Diacetyl. Is this likely, or possible?<<

Some of the wild stuff can be big diacetyl producers, that may be hit or miss. I think what you want he is more conventional yeast.

>>Has anyone emptied carbonated beer back to a batch to continue a ferment/bugging without experiencing oxidation?<<

Terrible practice, completely unorthodox. Er .. yes. In fact as counter this sounds to brewing best practices, I have on occasion done this with both carbonated and uncarbonated bottled beer and found the results to be favorable. Do it gently.

tripel beam
01/12/09 02:12 PM  
Re: diacetyl
I'll just live with the bottles I filled already.

I have some (dry)wine yeast I've used as a finisher would it be advantageous to use this, heat it up, and them bug it?

Steve, does warming up a beer that has significant head space create oxidation (I have 3 gal. left in a 5 gal carboy)? I plan to eventually rack to (3) 1 gal jugs and then spike them with the bug farm. should I heat this before or after racking?

SteveG
01/12/09 02:37 PM  
Re: diacetyl
Oh, I should add that when I have actually opened bottles to pour back that has always used a keg so oxidation was never a problem. I don't think I would do it with a carboy.

By heat up do you mean 'pasturize'? I'm not so sure I'd bother if so.

tripel beam
01/12/09 07:14 PM  
Re: diacetyl
Not pastuerizing, just trying to metabolize out some diacetyl, based on what was being suggested here.
 
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