## 21370Re: [new_distillers] Re: Specific Gravity

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• Aug 10, 2006
H
That is the exact answer I was looking fo,
Many thanks
I had looked @all the sites that I could think of, this was not there, only %
----- Original Message -----
From: Harry
To: new_distillers@yahoogroups.com
Sent: Friday, August 11, 2006 7:37 AM
Subject: [new_distillers] Re: Specific Gravity

--- In new_distillers@yahoogroups.com, "Peter Davis" <davis668@...>
wrote:
>
> Can anybody give me the SG of a 20% alc. water mix??
> Ditto for 40%

Yup.
20% = 960 SG
40% = 920 SG

Easy to work out.
1 litre water = 1 kg = 1,000g = 1,000 degrees of the hydrometer.
1 litre alcohol = 800g = 800 degrees of the hydrometer.

20% alc = 200ml = 160g
80% water = 800ml = 800g
Total weight = 800 + 160 = 960g = 960 degrees hydrometer.

If you're trying to use a beer/wine hydrometer then you're out of
luck. Their readable scale is out of range (they're not long
enough). Buy a spirit hydrometer (alcoholometer).

Slainte!
regards Harry

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