Nice experiment Joe.
Bill Frazier
Olathe, Kansas

"Joe Sallustio" > wrote in message
om...
> Just an FYI...
>
> I did a little experiment with cheap tequila yesterday. I filled a
> 250 ml graduate with a 10% solution of alcohol.
>
> (62.5 ml 40% ABV tequila, topped to 250 ml of solute with distilled
> water.)
>
> @ 77 F = 250 ml
> @ 24 F = 249 ml
>
> That should have worked out to a 76 ml drop in both carboys of red I
> have in stabilization; 18.9 L/ .25 L = 76 ml. It did. Both took a
> bit over 70 ml, (74 and 76). (I did not mark them exactly when I
> chilled them and do not know the exact temperature of the wine prior
> to stabilization. I did not expect to do this experiment.)
>
> That works out to a change of 0.0755 ml/L/degree F.
>
> In a 5 gallon carboy that would work out to an increase of 1.4
> ml/degree F rise.
>
> Water and alcohol densities are not a constant but for all intents and
> purposes it's close enough over the sort range of temperatures
> winemakers work with.
>
> Joe