Rock Hoppers Brew Club RHBC Logs 2008-2017 > Logs

Imperial IPA – All Grain GONE

Batch #:

28-2009

Batch Size:

10 gallons

Boil Time:

90 min

Conditioning:

Keg

Brew Date:

November 21, 2009

Tap Date:

January 1, 2010

Statistics

Target OG:

1.079 19.1° P

OG:

1.084 20.2° P

Target FG:

1.014 3.6° P

FG:

1.014 3.6° P

Real Extract:

6.6° P

Attenuation:

82.2% Apparent – 67.3% Real

Color:

13.9 SRM

IBU:

69.2 Rager

BU/GU:

0.82

ABV:

9.3%

ABW:

7.3%

Calories:

275 12 oz

General Info

An attempt to clone Oskar Blues' Gordon IPA. From the Jamil Show, July 19, 2009. Recipe is adjusted based upon podcast conversation and suggestions of the panel, not the recipe given on the show.

Malts and Grains

Amount	Malt/Grain	% of Grist
24.00 pounds	American Pale Malt (2-Row)	76.8%
2.90 pounds	Crystal Malt 40L	9.3%
2.10 pounds	American Munich Malt	6.7%
2.10 pounds	British Carastan Malt	6.7%
0.15 pounds	British Pale Chocolate	0.5%
31.25 pounds	Total Grain Weight	100%

Hops

Amount	Hop	Time	Type	Use	Form	AA
1.00 ounces	Amarillo	120 min	Bittering	First Wort	Pellets	9.4%
0.25 ounces	Magnum	80 min	Bittering	Boil	Pellets	15.1%
1.00 ounces	Northern Brewer	80 min	Bittering	Boil	Pellets	8.5%
8.00 ounces	Chinook	10 min	Bittering and Aroma	Boil	Leaf	12.7%
4.00 ounces	Amarillo	0 min	Aroma	Dry Hop	Leaf	9.4%
14.25 ounces	Total Hop Weight

Yeasts

Name	Lab/Manufacturer	Product ID	Amount
California Ale	White Labs	WLP001	3000 ml

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

Typical Efficiency:

72%

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

Mash Tun Dead Space:

0.80 gallons

Loss:

1.00 gallons

Mash Profile Single Infusion Mash, Light Bodied Beer, No Mash Out

Ideal Grain Temp:

72°F

Ideal Tun Temp:

72°F

Ideal Sparge Temp:

168°F

Ideal PH:

5.4

Notes:

Mash profile for most well-modified malts.

Mash Steps

#	Name	Type	Time	Temp.	Description
1	Mash In	Infusion	75 min.	150°F	Add 100% of mash water at 162° F / 72° C

Water Profile Highlands Ranch, Colorado

Calcium:

31.4 ppm

Bicarbonate:

56.9 ppm

Sulfate:

41.1 ppm

Chloride:

0.9 ppm

Sodium:

27.0 ppm

Magnesium:

3.5 ppm

PH:

5.4

Notes:

Filtered through standard charcoal system.

Fermentation and Aging

Primary:

7 days @ 70° F

Secondary:

10 days @ 70° F

Age:

14 days @ 70° F

Cork on a Fork

Date Brewed:
Brewer/Assistant:

Brew Day Data

	Target	Actual	Notes
Strike Water Amount:	10.4
Strike Water Temperature:
Mash Temperature(s):
Mash Time:
Sparge Water Amount:	7.2
Sparge Water Temperature:
Pre-Boil Gravity:
Pre-Boil Amount:	11
Post-Boil Amount:	10
Boil Time:	90
OG:	1.084 / 20.2° P
Mash PH:
Boil PH:

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Log: Cork On A Fork