Brewed this up last night and overshot my final volume by 20%

I guess that is what happens when you make your first one gallon batch! O.G was 1.042 but was able to get 71% efficiency using BIAB. I wanted to boil longer but didn't want to get more bitterness, hope it isn't too watery. Heck, maybe the BMC drinkers will like it better that way!
