1.Keep her at the 148-151 range if you're wanting a crisp quaffer
2.It would probably lend itself very well to adding some bitter orange peel
3.Just checked up on tastybrew.com Putting the first centennial at 60 minutes and the second one for 45 minutes and doubling the cascade times will get the bitterness to 16 IBU on a 3.25 boil
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