Besides tearing a small hole in it while exciting my first mash (wasn't paying attention to the therm probe) I hit the expected pre boil gravity I was aiming for, says Beersmith2. That's at 70% efficiency. I'll know the true numbers buy the end of the night.
Edit: While unsure of the boil off on my new kettle, guessing below par, I ended with 5 gallons. -3 points of what I was aiming for and expect it to be due to my not ish process. The bag was great, and a time saver for sure. Going biab was worth the .... $6? Haha. I'm doing a big beer tomorrow with the same bag. I'll post with results then as well.
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