Cans of Alexanders grape concentrate say they are 68 brix. I'm thinking of
making a pyment and I'm not quite sure how to calculate gravity with these
concentrates. The cans are 46 oz. You need 2 cans for a 5 gal. batch.
So...what will the OG be if 2 of these cans are diluted in 5 gallons of
water?