This is why experiments, including brewing experiments, that aren't replicated are crap.
So he should brew 10 more gallons, split, and ferment with the same yeasts?
Sounds like a great suggestion to me.
Sounds like a plan. I'll even re-combine the slurrys for the pitch. Need to make 10g of my ESB anyway! Let's see what these gremlins try this time....
As to the above, I think the only reasonable explanation would be stratification. I did fill the bucket first so I could see in the BB when I started sucking up trub.
I also hit every number on the button for this brew and the FG number I wanted was 1.012. I'd rather RDWHAHB and just pretend they both got there!
EDIT: I forgot to add that I swirled the starter and poured back and forth in the glasses until full. They had to be very close to even...