Zippy, how was the ABV on your Donner and Blitzed?
I've just started this off and it only has an OG of 1038. If I'm lucky enough to get a dark beer down to 1010 it's still only going to be 3.7%. Packaging said 5.4%.
I had the same problem when I did a Dasher the Flasher.
Quite disappointed. :-(
my OG was 1038 and FG was 1012 so about 3.5%