hist-brewing: wine quart

Tim Bray tbray at mcn.org
Wed Mar 27 19:55:15 PST 2002


One US gallon of pure water weighs 8.34 pounds.  If a gallon of honey 
weighs 12 pounds, and if the honey mixes with the water instead of 
dissolving into it, then you end up with the following:
Final volume = 7 quarts = 1.75 gallons
Final weight = 1.5*8.34 + .25*12 = 15.5 pounds
Density = 15.5 pounds/1.75 gallons = 8.86 pounds/gallon
Gravity =  1 + 8.86/8.34 = 1.06
(Specific gravity is the ratio of the density of the liquid to the density 
of pure water)

This mix is 2 pounds honey per gallon.  Most people seem to recommend 
closer to 3 pounds per gallon.

Hope this helps,
Tim


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