Ok, so I made a Belgian Wit in March, and it had an O.G of 50, and a F.G. of 14. That's 4.7% abv. My efficiency was 75%.
I tried to duplicate the recipe in July, but hadn't dialed in my process yet. I ended up with 81% efficiency and an O.G. of 60. That's fine, as far as I'm concerned, but...