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Old 02-18-2010, 07:14 PM   #1
nordoe
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Default Question about fermenting times.

I am doing a unhopped extract kit with steeping grains. My OG was right on the money in the directions for the kit. It has only been six days and I am already below the FG stated on the directions. I know its not done, and I will check again in a few days to see if it sticks or goes down. My questions are what are some reasons that my numbers are not right on the point. And also, what will this do to the beer? I am guessing if it goes even lower, it will only increase the ABV. Am I correct?


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Old 02-18-2010, 07:23 PM   #2
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FG is just an estimate but if its attentuated too much then probably a wild yeast infection. Increase ABV and less mouthfeel due to less sugars and off flavors from the wild yeast


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Old 02-18-2010, 07:25 PM   #3
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What was you estimated OG and FG? Where are your numbers in comparison?
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Old 02-18-2010, 07:28 PM   #4
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Because yeast are like women. No matter how hard you try, or beg, they'll never do what you want the way you want it.

Seriously, the attenuation figures of yeast are usually ambiguous because a lot of factors determine what they will do. Simpler sugars and warmer temps attentuate more readily. Cell counts, available nutrients, moon phases, etc..... all come into play.
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Old 02-18-2010, 07:49 PM   #5
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Quote:
Originally Posted by Suddy View Post
What was you estimated OG and FG? Where are your numbers in comparison?
The OG was 1.052 and the FG was 1.014. It is an Irish red ale and it is at 1.013 after only six days fermenting.
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Old 02-18-2010, 08:04 PM   #6
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Quote:
Originally Posted by nordoe View Post
The OG was 1.052 and the FG was 1.014. It is an Irish red ale and it is at 1.013 after only six days fermenting.
That is within reason. I would not be concerned unless it dropped below 1.010. Just let it mellow in the fermenter for another week and check your gravity again. If it is unchanged, bottle it up.

EDIT: Even if it does drop below 1.010 that doesn't mean anything is wrong (i.e.: infection), it just means that you had higher attenuation than expected. No big deal RDWHAHB!

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Old 02-18-2010, 10:25 PM   #7
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and sometimes the instruction sheets are just mis-printed.

lower FG means more alcohol and a drier beer.
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Old 02-18-2010, 10:36 PM   #8
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Quote:
Originally Posted by nordoe View Post
The OG was 1.052 and the FG was 1.014. It is an Irish red ale and it is at 1.013 after only six days fermenting.
In theory, the yeast could be done with the major fermentation at six days. I'd keep checking, but I'd say it's probably almost done.
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Old 02-19-2010, 02:35 AM   #9
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After adjusting for temp, it actually be right on 1.014 depending on the temp of the sample
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Old 02-19-2010, 01:35 PM   #10
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Quote:
Originally Posted by mparmer View Post
After adjusting for temp, it actually be right on 1.014 depending on the temp of the sample
I had already adjusted for the temp.


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