Sunday, March 13, 2011

Brew Day! - Event Horizon

I finally got back to brewing today. I tried another attempt at a Double IPA and I think I got it. I purchased a oxygenation system to pump pure O2 in the wort prior to pitching yeast. This should help the beer attenuate fully.

So, why is this beer called Event Horizon? It is the point of no return because the grain when crushed completely filled up a 6.5 gallon bucket, the mash tun was brimmed full (a thick mash was used - 1.25 quarts of water per pound of grain), nearly a pound of hops, and the anticipated alcohol by volume when it is complete is nearly 9 % (that's a big beer).

Recipe below:

Event Horizon - IIPA
14-C Imperial IPA
Date: 3/13/11

Size: 7.5 gal
Efficiency: 70.0%
Attenuation: 80.0%
Calories: 278.1 kcal per 12.0 fl oz

Original Gravity: 1.084 (1.070 - 1.090)
Terminal Gravity: 1.017 (1.010 - 1.020)
Color: 7.7 (8.0 - 15.0)
Alcohol: 8.84% (7.5% - 10.0%)
Bitterness: 179.2 (60.0 - 120.0)

Ingredients:
22.0 lb Pale Ale Malt
1.0 lb CBW® Pilsen Light Liquid (Malt Extract)
3.0 oz Dark Crystal Malt II
1.0 lb White Table Sugar (Sucrose)
2.0 oz Amarillo (6.9%) - added first wort, boiled 20.0 min
2.0 oz Nugget (11.8%) - added during boil, boiled 60.0 min
2.0 oz Centennial (10.0%) - added during boil, boiled 60.0 min
2.0 oz Centennial (10.0%) - added during boil, boiled 45.0 min
1.0 oz Cascade (4.6%) - added during boil, boiled 10.0 min
1.0 oz Willamette (4.8%) - added during boil, boiled 10.0 min
1.0 oz Cascade (4.6%) - added during boil, boiled 5.0 min
1.0 oz Willamette (4.8%) - added during boil, boiled 5.0 min
1.0 oz Cascade (4.6%) - added during boil, boiled 0.0 min
1.0 oz Willamette (4.8%) - added during boil, boiled 0.0 min
1.0 oz Amarillo (6.9%)
1.0 ea Fermentis US-05 Safale US-05
1.0 ea Servo - added during boil, boiled 0.0 min

Schedule:
Ambient Air: 34.0 °F
Source Water: 60.0 °F
Elevation: 1000.0 ft

00:03:00 Mash In - Liquor: 6.93 gal; Strike: 163.83 °F; Target: 152.0 °F
01:03:00 Saccharification Rest - Rest: 45.0 min; Final: 151.4 °F
01:15:00 Sparge - First runnings: 0.0 gal sparge @ 170.0 °F, 4.25 gal collected, 5 min; Second Runings: 6.25 gal sparge @ 168.0 °F, 6.1 gal collected, 7 min; Total Runoff: 10.3

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