Imperial IPA
BJCP 2008 – 14C
Batch #:
2011-24
Batch Size:
10.00 gallons
Boil Time:
90 min
Brew Date:
December 26, 2011
Statistics
OG:
1.080 19.3° P
FG:
1.010 2.6° P
Real Extract:
5.6° P
Attenuation:
86.5% Apparent
71% Real
71% Real
Color:
6.1SRM
IBU:
104.8
BU/GU:
1.31
ABV:
8.9%
ABW:
7.3%
Calories:
259 12 oz
Fermentables
| Amount | Fermentable | % |
|---|---|---|
| 27.00 pounds | American Pale Malt (2-Row) | 87.1% |
| 1.00 pounds | American Victory Malt | 3.2% |
| 3.00 pounds | German Vienna Malt | 9.7% |
| 31.00 pounds | Total Fermentable Weight | 100% |
Hops
| Amount | Hop | Time | Use | Form | AA | |
|---|---|---|---|---|---|---|
| 1.20 ounces | Chinook | 90 minutes | Boil | Leaf | 13.1% | |
| 0.60 ounces | Citra | 70 minutes | Boil | Leaf | 14.1% | |
| 0.50 ounces | Columbus | 50 minutes | Boil | Leaf | 16.1% | |
| 0.65 ounces | Calypso | 50 minutes | Boil | Pellets | 14.4% | |
| 1.00 ounces | Challenger | 45 minutes | Boil | Leaf | 5.7% | |
| 1.00 ounces | Columbus | 30 minutes | Boil | Leaf | 16.1% | |
| 1.00 ounces | Cascade | 20 minutes | Boil | Leaf | 7.2% | |
| 1.00 ounces | Chinook | 10 minutes | Aroma | Leaf | 13.1% | |
| 1.50 ounces | Challenger | 5 minutes | Aroma | Leaf | 5.7% | |
| 2.50 ounces | Cascade | 2 minutes | Aroma | Leaf | 7.2% | |
| 2.00 ounces | Columbus | 0 minutes | Dry Hop | Leaf | 16.1% | |
| 0.80 ounces | Chinook | 0 minutes | Dry Hop | Leaf | 13.1% | |
| 0.90 ounces | Citra | 0 minutes | Dry Hop | Leaf | 14.1% | |
| 0.50 ounces | Challenger | 0 minutes | Dry Hop | Leaf | 5.7% | |
| 0.50 ounces | Cascade | 0 minutes | Dry Hop | Leaf | 7.2% | |
| 15.65 ounces | Total Hop Weight | |||||
Non-Fermentables
| Amount | Non-Fermentable | Type | Use | Time |
|---|---|---|---|---|
| 3 grams | Gypsum (Calcium Sulfate) | Water Agent | Mash | 90 minutes |
Yeasts
| Name | Lab/Manufacturer | Product ID | Form |
|---|---|---|---|
| American Ale II | Wyeast | 1272 | Liquid |
Equipment Profile 15 Gallon/57 Liter Brew Pot (15) and 10 Gallon/38 Liter Cooler Mash Tun
Batch Size:
10.00 gallons
Boil Volume:
12.55 gallons
Evaporation Rate:
9.00% per hour
Hop Utilization:
100%
Mash Tun Volume:
10.00 gallons
Mash Tun Weight:
9.00 pounds
Mash Tun Specific Heat:
0.30 cal/gram per °C
Top Up Water:
0.00 gallons
Trub Chiller Loss:
1.00 gallons
Mash Profile Single Infusion Mash, Light Bodied Beer, No Mash Out
Mash Steps
| # | Name | Time | Temp. | |
|---|---|---|---|---|
| 1 | Mash In | Infusion | 75 minutes | 150° F |
Fermentation and Aging
Primary:
14 days @ 66° F
Secondary:
14 days @ 70° F
Age:
21 days @ 50° F
Special Procedures
Dry hop with the remnants of each fractional ounce of hops plus the designated dry hop addition.
