OK, so I brewed a Spiced Strong English Ale (which I will call the "Big Beer") yesterday that included something like 15 lbs of grain for a 5 gallon batch. I sparged until the kettle was full, checked the SG of the runoff, and it was still 1.030. I didn't want to waste a good opportunity, SO, I kept sparging into another kettle until the runoff read 1.010. I ended up with a couple gallons of wort.
When the big beer was done chilling, I took a gravity reading and it turns out I overshot the gravity a bit. It was at 1.080 (1.010 over the target), so I removed a litre or two of the wort, (poured it into the little brother brew to raise it's gravity) and then poured a litre or so of boiled/cooled water into the big beer. While chilling and pitching, little brother was boiling away outside. I threw some hops in, not really knowing what to add to make this a balanced beer, or if that's even possible.
When I was done I had 5 gallons of big beer, and 2.5 gallons of little brother sitting side by side. Little brother has a gravity of around 1.027, so I'm thinking I could label it as Low Alcohol when it's done. I don't know if it will be any good, or even worth the effort, but it didn't cost much to make.
Anyone else tried something like this? How did it turn out?