Another Imperial IPA

November 23, 2010

On Saturday I whipped up another Imperial IPA. I was considering making my Simarillo IIPA again, but wanted to try something different. This one was a pretty simple grain bill and used no sugar. Instead of the Amarillo and Simcoe hop combination, I used Chinook with the Amarillo for most of the character with some Columbus in the aroma and Galena for bittering. I wanted a solid and clean bitterness with plenty of citrus and spice in the nose.

For this batch, because of the all the hops being used, I bumped the volume up half a gallon to account for hop absorption. 8 gallons were collected and boiled down to 7, then the hops plugged up the screen in the kettle just as I got 5 gallons into the fermenter. Just as I had planned, basically. Keeping as much of the sediment out of the fermenter as possible has become my goal recently.

Imperial IPA

Boil Volume: 8 gallons

Batch Volume: 7 gallons

Boil Time: 60 minutes

Gravity: 1.075

Efficiency: 75%

Malt:

  • 14.00 lb Pale Malt
  • 4.00 lb Munich Malt
  • 0.75 lb Crystal 60L

Hops:

  • 2.75 oz Galena (First-Wort, 11% Alpha Acid)
  • 1.00 oz Chinook (Boil for 30 minutes, 10.9% Alpha Acid)
  • 1.50 oz Amarillo (Boil for 20 minutes, 7.3 % Alpha Acid)
  • 1.00 oz Columbus (Boil for 10 minutes, 13.2% Alpha Acid)
  • 1.00 oz Chinook (End of boil)
  • 1.00 oz Amarillo (End of boil)
  • 2.00 oz Chinook (Dry hops)
  • 2.00 oz Amarillo (Dry hops)

Mash:

  • Strike with 6 gallons at 167F
  • Mash at 150F for 75 minutes
  • Sparge with 6 gallons to collect 8 gallons in kettle

Yeast:

Wyeast 1332 Northwest Ale yeast cake from previous batch

Water Additions:

  • 2 gm Calcium Chloride
  • 5 gm Gypsum
  • 2 gm Chalk
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One Response to “Another Imperial IPA”


  1. […] two beers not in kegs in the chest freezer are a Kolsch which will be lagered for a while, and an Imperial IPA which will be bottled, I need to start brewing beers to replace the four that are on tap once […]


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