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Old 11-11-2012, 07:16 PM   #1
odie313
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Default Help! I think my fermenation is stuck.

On 10/14, I brewed an extract sweet stout kit from more beer. I was able to get an O.G. of 1.048, which according to there sheet its in the recommend range. I was only able to cool to 80° before pitching Safale 04. I did aerate the wort for 2 minutes with an oxygen tank. Fermentation, I would guess took off in about 12 hours. I did use a blow off tube. I fermented @ 68°

Today on 11/11, I checked the gravity for the first time. I was only able to get a reading of 1.021. Is the beer finished or do I need to kick-start the yeast again.

Recipe:
6lb light malt extract
1lb lactose
1lb black patent
12oz crystal 75L
2oz Cascade hops (bittering)

whirhfloc tablet ( which i totally forgot to add).


Also, do I need to cold crash this style of beer before I keg.

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Old 11-11-2012, 07:19 PM   #2
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What's the sweet stout kit say the final gravity should be? How far are you off of that?

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Old 11-11-2012, 08:01 PM   #3
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It says that the estimated ABV% should be 4.5%. When I calculated it I got 3.5%. Which makes me think that I'm about 10 points off.

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Old 11-11-2012, 08:30 PM   #4
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He meant what was the kit's FG range as listed?...Sounds high for a 1.048OG. It should be down around 1.012.
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Old 11-11-2012, 08:35 PM   #5
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The original gravity was 1.048 The estimated final gravity should be around 1.012. I only hit 1.021.

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Old 11-11-2012, 08:43 PM   #6
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If it got from 80F down to 68 too fast could cause the yeast to stress out & stall. I wonder if the pound of lactose Might keep the gravity higher than expected on top of the yeast bit?...
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Old 11-11-2012, 08:43 PM   #7
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wish i could help. i am in the same situation. i did rehydrate and repitch however.

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Old 11-11-2012, 08:54 PM   #8
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1.012 seems low with the lactose inclusion, it is unfermentable.

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Old 11-11-2012, 09:00 PM   #9
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Same issue here with a autumn amber ale. Sat in primary for 2 weeks and stuck at 1.020 . I bottled it anyway but my ABV is going to be very low. Don't know what I did wrong. That was my first brew.

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Old 11-11-2012, 09:05 PM   #10
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It is a common occurrence for all extract recipes to finish at 1.020 due to the less ferment able malt in the extract, especially darker extracts. If you take another reading in a couple days and its the same, it's done

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