I have been making 2 lt beer for a few months and found that I need 1/8tsp of brewers yeast per 2lt bottle, I have made a video http://www.youtube.com/watch?v=LCf0vHYdz4M I use the power malt and corn sugar 1 cup of each per 4lt. You can use any malt you want light , dark , med ,ect. yeast is up to ...