Rock Hoppers Brew Club RHBC Logs 2008-2017 > Logs > Bigus Dicus (Lupulus Imperialus) [Premium American Lager]

Premium American Lager – All Grain GONE

Batch #:

14-2008

Batch Size:

5 gallons

Conditioning:

Keg

Brew Date:

May 11, 2008

Tap Date:

July 18, 2008

Statistics

OG:

1.058 14.3° P

FG:

1.012 3.1° P

Real Extract:

5.1° P

Attenuation:

78.3% Apparent – 64.3% Real

Color:

6.6 SRM

IBU:

52.5

BU/GU:

0.91

ABV:

6.1%

ABW:

4.8%

Calories:

191 12 oz

General Info

This one was inspired by the description of the Imperial Pilsner in Extreme Brewing. It’s an "Americanized" twist. This one is higher in alcohol and significantly higher in IBUs than your typical American Lager - no adjuncts either. All malt.

Malts and Grains

Amount	Malt/Grain	% of Grist
10.00 pounds	Belgian Plisen Malt	82.5%
2.00 pounds	American Dextrin (Cara-Pils) Malt	16.5%
0.13 pounds	Crystal Malt 120L	1%
12.13 pounds	Total Grain Weight	100%

Hops

Amount	Hop	Time	Type	Use	Form	AA
1.00 ounces	Zeus	60 min	Bittering	Boil	Pellets	13.0%
0.25 ounces	Amarillo	20 min	Aroma	Boil	Pellets	8.2%
0.75 ounces	Amarillo	0 min	Aroma	Aroma	Pellets	8.2%
1.00 ounces	Amarillo	0 min	Aroma	Dry Hop	Pellets	8.2%
3.00 ounces	Total Hop Weight

Yeasts

Name	Lab/Manufacturer	Form	Amount
Lager Yeast	Superior	Dry	14g Rehydrated

Mash Infusion

Grain Amount:

12.125 pounds

Step	Description	Temp.	Time
Infusion		150° F	75 min.
Sparge		170° F	40 min.

Procedure

Single infusion mash at 150° for 75 minutes.
Sparge
90 minute boil
Add hops according to schedule
Rehydrate yeast and pitch into 50-55° wort
Ferment at 50-55° for at least 7 days
Raise temperature to 60° for diactyl rest
Slowly lower temperature over a few days to 40°
Lager at 40° for at least 5 weeks

Fermentation and Aging

Primary:

7 days @ 50° F

Secondary:

5 days @ 60° F

Lager:

35 days @ 40° F

Bigus Dicus (Lupulus Imperialus)

Date Brewed:
Brewer/Assistant:

Brew Day Data

	Target	Actual	Notes
Strike Water Amount:	4
Strike Water Temperature:
Mash Temperature(s):
Mash Time:
Sparge Water Amount:	4
Sparge Water Temperature:
Pre-Boil Gravity:
Pre-Boil Amount:	5.5
Post-Boil Amount:	5
Boil Time:	60
OG:	1.058 / 14.3° P
Mash PH:
Boil PH:

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Log: Bigus Dicus (Lupulus Imperialus)