## How to measure alcohol of a cocktail

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• Newbie question here. I m mixing a juice with ethanol to make a large batch of cocktails and want to know the proof of the mixture. I ve been told that the
Message 1 of 3 , Jul 4 3:40 PM

Newbie question here.  I'm mixing a juice with ethanol to make a large batch of cocktails and want to know the proof of the mixture.  I've been told that the sugar in the juice can mess up a hydrometer reading.  I can calculate it with math (ie. 1 cup of 150 proof ethanol plus one cup of juice equals a 75 proof cocktail), but I've been told that method will yield an inaccurate result as well.  Can anyone clear this up for me?  If I need to redistill the mixture, is there a way I can do this with a small sample and not run it through a still?

• If you dilute 150 poof of alcohol with and equal mount of anything else non-alcoholic the proof is cut by 1/2. Not rocket science. Trust me; you are diluting
Message 2 of 3 , Jul 4 10:20 PM
If you dilute 150 poof of alcohol with and equal mount of anything
else non-alcoholic the proof is cut by 1/2.
Not rocket science. Trust me; you are diluting it by 1/2

At 03:40 PM 7/4/2014, you wrote:
>
>
>Newbie question here. I'm mixing a juice with ethanol to make a
>large batch of cocktails and want to know the proof of the mixture.

Derek

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• If you work with (abv %) it might be less confusing because you are using a base of 100 rather then 200.  75% ethanol diluted by half is 37.5 % abv.  If you
Message 3 of 3 , Jul 4 10:34 PM
If you work with (abv %) it might be less confusing because you are using a base of 100 rather then 200.  75% ethanol diluted by half is 37.5 % abv.  If you know the % going in then it's easy to tell your % after diluting.  After a few drinks you will not care about proof or %.

Robert