Update: Averaged 34.5 in the first round of the National competition (didn't pass to 2nd round,...tough category). I agree with the comments, and will make this again with some minor changes.
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It's overdue.
Batch #32
Rumination DIPA
--15lbs Scot. Golden Promise
--1lbs Crystal 15L
--36AAU Columbus 12%AA, pellets (60min)
--8AAU Centennial 8%AA, pellets (10min)
--8AAU Centennial 8%AA, pellets (0min, steeped for 5)
--2oz Centennial, dry hop
--WLP007 Dry English Ale yeast, 2L starter
OG: 1.071
FG: 1.020
ABV: ~6.7%
IBU: ~110
Mash in to 149F with 5gal (1.25qt/lb) for 60min. Mash out at 170F for 10min. Sparge water 180F, 1 gallon. Collected 6.25gallons of 1.067 wort for an efficiency of 71%. I added 1 tsp gypsum (calcium sulfate) in the mash water for two reasons: my water is really soft and the mash needs calcium, and sulfate accentuates bitterness.
I split the finishing hops from last time into two additions to add some complexity. And I have the right hops this time. And rumor has it, the right yeast. My gravity is a little lower than I expected for just over 5.25gal of finished wort...I probably overestimated the temperature correction when I calculated the mash gravity.
Dry hopped in keg while carbonating. FG is a little high, but it's crawling, so whatever. My stir plate broke (I dropped it), so the yeast population was lower than it should have been. Still tasty.
Saturday, February 21, 2009
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