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Old 03-09-2012, 04:53 AM   #1
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Default ABV Question

So I Just racked my batch from 1/8/12. O.G. was 1.115 and my f.g. is now 1.046. It tastes great! I mean samples well...

Anyhow, I was curious if my calculations are correct that I ended up with ABV of around 9.2%.

Thank you in advance!

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Old 03-09-2012, 05:00 AM   #2
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(OG-FG)*131 = 9.0%

1.046? That will almost float an egg. That's a very high FG. Prolly need to fix that.

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Old 03-09-2012, 05:22 AM   #3
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Well I rechecked the gravity and it came out the same. I used d47. I don't know if that makes a difference.

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Old 03-09-2012, 05:49 AM   #4
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Well I'd consider that a stuck ferment!

D47 is good for 14%, plus with that amount of residual sugar, unless you cold crashed and stabilised it, there's lots of room for refermentation starting and resulting bottle bombs, if not sorted our.....

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Old 03-09-2012, 07:51 AM   #5
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so since I racked it, should I throw another bit of yeast in? more D47 or something like EC1118?

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Old 03-09-2012, 08:40 AM   #6
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I'd add some boiled bread yeast (a sachet in 100mls simmered for 5mins then cooled) and aerate it. Just because its been racked, doesn't mean there's no yeast left in it. Oh, and as you used D47, keep it below 70F.

Then leave it for a few days, checking gravity progress.

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Old 03-09-2012, 10:07 PM   #7
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For my Cyser I used a few packets of re-hydrated D47 and I got it up to (depending on which ABV calculation you use) to 15.5 or 18.1.

D47 is a tank, it crushed what I was shooting for (14%).

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Old 03-10-2012, 11:35 AM   #8
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If you really like how it tastes already why mess with it, leave it be to bulk age for awhile, rack it again as needed, eventually all of the yeast will be used up and cleared out, just don't rush to bottle it for awhile so you don't risk the chance of restarting fermentation and mead claymores

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Old 03-10-2012, 02:18 PM   #9
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Quote:
Originally Posted by BrewerJack View Post
For my Cyser I used a few packets of re-hydrated D47 and I got it up to (depending on which ABV calculation you use) to 15.5 or 18.1.

D47 is a tank, it crushed what I was shooting for (14%).
Yeah, I have an acerglyn going with D47 and it's gone to 14.5% so far and still cranking away, albeit slowly.
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Old 03-10-2012, 03:05 PM   #10
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Quote:
Originally Posted by BrewerJack View Post
I got it up to (depending on which ABV calculation you use) to 15.5 or 18.1.


That's a big difference for ABV. What calculations are you using? Could it be ABV and ABW?
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