RE: [Distillers] Tony's graph
- Another way to work out the potential alcohol of a wash is to subtract the
final gravity from the original gravity, and then divide the result by 7.36.
ie 1090-985=105 divide by 7.36=14.266%
From: Tony & Elle Ackland [mailto:Tony.Ackland@...]
Sent: Friday, 27 July 2001 17:56
To: 'Distillers newsgroup'
Subject: RE: [Distillers] Tony's graph
You may find that you need two hydrometers ...
One hydrometer for the wash - to cover the range say from 0.985 up to 1.20+
This will let you work out the amount of sugars present before & after
fermentation, so that you can work out the amount of alcohol you've made.
To do this, muliply the difference between the starting gravity (SG) and
finishing gravity (FG) by 129, eg: if your sugar/water mix of SG=1.120
drops to 0.980, then you have a wash with (1.120-0.980)x129=18.1%.
Another hydrometer for the spirit - say from 0.78 up to 1.00, so that you
can then work out how much ethanol is in the spirit (as per the table or
graph I posted earlier)
I doubt that you'd find one hydrometer that would accurately do both ends
of that scale for you.
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