Juice fermentatables are given in grams of sucrose for ABV calculation.
This Ice wine starts out as 6.5 Gallons but will end up as less.
http://www.homebrewtalk.com/showthread.php?t=122558 CiderBock: Makes 3 gallons (size to whatever you want to make) Ingredients: 3 gallons of apple juice with no additives/preservatives 2 lbs of corn sugar 1 pkg Montrachet yeast 3/4 teaspoon Potassium Sorbate (after fermentation to prevent refermentation) Backsweetening Ingredients: 5 12 oz cans of apple juice concentrate (save two empty cans) 1 12 oz can (used from above) of brown sugar 1 12 oz can (used from above) of pure molasses