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Old 04-15-2010, 12:01 PM   #1
Superkabuto
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Mar 2010
Central Pennsylvania
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I know the rule of thumb is 3/4 cup corn sugar to carb a 5 gal batch. does this mean that I'll need 9/10 cup for a 6 gal batch? The calculation being:

(3/4 x 1/5) + 3/4

Where the 1/5 is the extra gallon on top of the 5 gal batch. Does this sound right?

Does anyone know what 9/10 cup of corn sugar weighs?

Thanks,

Rich
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Old 04-15-2010, 12:26 PM   #2
wyzazz
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Use an online calculator to figure out how much you need for your batch. There is a pretty simple one here.
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Old 04-15-2010, 12:40 PM   #3
danlad
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It's easier to make that sort of scaling up or down if you weigh the sugar rather than doing it by volume. I'd say there was a fair margin of error though anyway. 1/5 more or less sugar than the target amount would affect the carbing, but not so you'd be too upset either way. Not too proud to admit I've miscalculated by that sort of degree before, and it was fine.

 
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Old 04-15-2010, 12:50 PM   #4
Superkabuto
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Quote:
Originally Posted by wyzazz View Post
Use an online calculator to figure out how much you need for your batch. There is a pretty simple one here.
Yes, I've found a calculator online, but the problem is I don't know the volumes of CO2 I want.
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Old 04-15-2010, 01:14 PM   #5
wyzazz
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2.5 - 3 is what I usually shoot for, that's in the range of what 3/4 cup or 4oz of corn sugar by weight should give you for a 5 gal batch.
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Originally Posted by Revvy View Post
And I'd like to see my 1.080 beers ready from grain to glass in a week, and served to me by red-headed twin penthouse pets wearing garter belts and fishnet stockings, with Irish accents, calling me "master luv gun," but we can't always get what we want can we? :)

 
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Old 04-15-2010, 02:58 PM   #6
Superkabuto
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Mar 2010
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Quote:
Originally Posted by wyzazz View Post
2.5 - 3 is what I usually shoot for, that's in the range of what 3/4 cup or 4oz of corn sugar by weight should give you for a 5 gal batch.
Ok, thanks for that.

Oh, I see. Choosing the style will automatically give you a CO2 volume. I hadn't noticed that.
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Old 04-15-2010, 03:01 PM   #7
wyzazz
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Yup!

10char
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Originally Posted by Revvy View Post
And I'd like to see my 1.080 beers ready from grain to glass in a week, and served to me by red-headed twin penthouse pets wearing garter belts and fishnet stockings, with Irish accents, calling me "master luv gun," but we can't always get what we want can we? :)

 
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