ok so my brown ale was like a 4.9 gal batch. after transferring to secondary, i lost a little more. i'm thinking its going to be about 4g when i go to bottle. what do you think 3/4 cup dextrose to prime it?
An awesome calculator...http://www.tastybrew.com/calculators/priming.html
2.2oz of corn sugar.
r.o.t. - MEASURE YOUR SUGAR BY WEIGHT, NOT VOLUME.
and use a Calc like the link above.