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Old 03-11-2012, 07:27 PM   #1
tellish33
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Default Didn't hit FG...why?

I just bottled my second brew last night. I took a reading before I bottled and it wasn't really close. Recipe said OG of 1.072, I was 1.073 and FG of 1.010, I was 1.020. The brew smells fantastic and tasted good (as good as it can be w/out conditioning). By the way the beer is a stout, called Shot in the Dark. Just curious on why my FG is off.


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Old 03-11-2012, 07:30 PM   #2
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how long in primary/secondary? what kind of kit, out of curiosity?
what kind of temp did you have during ferment?


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Old 03-11-2012, 07:31 PM   #3
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There are many factors that lead up to you getting to final gravity. Can you post your recipe? What type of yeast did you use, did you use a starter, and did you check the date it was manufactured (for viability)?
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Old 03-12-2012, 12:03 AM   #4
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The kit was put together by my LHBS, so I don't know what the date was on it. Here is the recipe for a 5 gallon batch......

1/2 pound DME (for starter)
7 pounds Dark DME
1/2 pound U.S. Crystal 20
1/2 pound U.K. Chocolate Malt
1/2 pound U.K. Roasted Barley
1/4 pound Hershey's Unsweetened Cocoa
1/2 pound Brown Sugar
1/2 pound Dark Roast Coffee
16 HBU Perle Hops (Bittering Hops)

Yeast WLP 001 (California Ale)

O.G. 1.073-77
F.G. 1.010-22

I did the starter just like they said. I started 2-3 days before my brew. I followed my brew schedule to the t. They said to ferment for 1 week in primary, I actually did 2 wks because of work and a death in the family. One day before I racked to secondary I made a cold extraction with the coffee and added it to my carboy before a siphoned the beer. They said to leave in secondary for 2wks, then prime, bottle and age for 2 or more wks.

Here are my numbers through the process....
1-22-12 SG 1.074 @ 70 degrees
2-8-12 transfer to carboy
3-10-12 FG 1.020 @ 68 degrees

I just noticed that I was in the ballpark with my FG. I'm still curious to know why it was high, a couple more points then I would of missed my FG. Call me anal but the more I do this new found hobby the more I get into the particulars of why things do what they do.
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Old 03-12-2012, 12:16 AM   #5
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1/4 of 1.074 is 1.018 so you are not far off your FG. You might have gone another week in primary to see if it came down. Check it in secodary after 2 weeks and see if it dropped at all. Since you are not doing any fermentation in secondary, it's a time for clearing and picking up the coffee flavors. I would taste it weekly to see how the coffee is coming along. Bottle it once you are happy with the proper level of coffee flavor.
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Old 03-12-2012, 12:17 AM   #6
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Extract recipes seem to finish off at the higher end of the FG range, 1.020 is fairly typical for a recipe where most of the fermentables are from malt extract.

Search 1.020 and you'll find tons of threads very similar to yours.

I use extracts most of the time, and the higher FG hasn't caused any problems for me. It still tastes good.
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Old 03-12-2012, 12:31 AM   #7
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Thanks a lot guys.


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Future: Drunken Emu Hard Cider
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