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Old 10-25-2013, 02:33 PM   #1
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Default Having A Brain Fart - Help

I'm trying to figure out the abv if I add 750ml Everclear(151 proof) to a 1gal mixture with a 1.110 gravity. TIA

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Old 10-25-2013, 02:45 PM   #2
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Quote:
Originally Posted by KeyWestBrewing View Post
I'm trying to figure out the abv if I add 750ml Everclear(151 proof) to a 1gal mixture with a 1.110 gravity. TIA
It depends on what your final gravity is, but if you know that you can find the abv of your 1 gallon mixture.

From there, it's just:

(750 mL * (151 proof / 200 proof) + 1000 mL * ( ABV of mixture) ) / 1750 mL
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Old 10-25-2013, 02:45 PM   #3
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I don't know the answer but I'm curious to know what kind of rocket fuel you're making!

If you're not fermenting the concoction any further, I believe the gravity 1.110 gravity doesn't matter. I messed around with some ratios to try and figure it out but my brain hurts now.

Edit: Beaten by Malfet by seconds.

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Old 10-25-2013, 03:12 PM   #4
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Quote:
Originally Posted by MalFet

It depends on what your final gravity is, but if you know that you can find the abv of your 1 gallon mixture.

From there, it's just:

(750 mL * (151 proof / 200 proof) + 1000 mL * ( ABV of mixture) ) / 1750 mL
So to get the abv of my mixture just take a FG reading and do the usual math?

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Originally Posted by Fordzilla
I don't know the answer but I'm curious to know what kind of rocket fuel you're making!

If you're not fermenting the concoction any further, I believe the gravity 1.110 gravity doesn't matter. I messed around with some ratios to try and figure it out but my brain hurts now.

Edit: Beaten by Malfet by seconds.
Apple pie!!
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Old 10-25-2013, 03:17 PM   #5
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Quote:
Originally Posted by KeyWestBrewing
I'm trying to figure out the abv if I add 750ml Everclear(151 proof) to a 1gal mixture with a 1.110 gravity. TIA
(volume of A x abv of A, plus vol of B x abv of B ) divided by total vol.

Your FG reading will be garbage. You'll have to assume an FG.
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Old 10-25-2013, 03:19 PM   #6
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Originally Posted by RedOktoberfest

(volume of A x abv of A, plus vol of B x abv of B ) divided by total vol.

Your FG reading will be garbage. You'll have to assume an FG.
The part where I'm getting confused is the 1.110 mixture has no abv since its just a mix of juice and sugar.
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Old 10-25-2013, 03:25 PM   #7
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Total alcohol (vol) / total volume.

There's really no trick. Just figure outhouse 2 numbers, convert them to the same units, and do the division.

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Old 10-25-2013, 03:28 PM   #8
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Quote:
Originally Posted by KeyWestBrewing

The part where I'm getting confused is the 1.110 mixture has no abv since its just a mix of juice and sugar.
So zero. Gravity doesn't matter, extra information

.755 x .2gal = .151 (gallons of ethanol)
.151 / 1.2gal = 12.5% abv
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Old 10-25-2013, 03:38 PM   #9
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The part where I'm getting confused is the 1.110 mixture has no abv since its just a mix of juice and sugar.
Is there yeast in there that's going to ferment the juice?
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Old 10-25-2013, 03:52 PM   #10
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No. I think I found the right formula...

(volume of liquor x alcohol by volume/total cocktail volume) x 100

If the formula and my math are correct it should make the new abv ~12.4%

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