Stoopsitters Brewing BrewBlog > BrewBlogs > Maibock [Maibock/Helles Bock]

BrewBlog: Maibock

Specifics

Style:

Maibock/Helles Bock — BJCP Style Information

Category:	Bock
Number:	05A

A relatively pale, strong, malty lager beer. Designed to walk a fine line between blandness and too much color. Hop character is generally more apparent than in other bocks.

Commercial Examples: Ayinger Maibock, Mahr’s Bock, Hacker-Pschorr Hubertus Bock, Capital Maibock, Einbecker Mai-Urbock, Hofbräu Maibock, Victory St. Boisterous, Gordon Biersch Blonde Bock, Smuttynose Maibock.

Brewer:

Dustin Zastera

Brew Date:

January 9, 2010

Yield:

5 gallons

Color (SRM/EBC):

7.6/15

Bitterness (Calc):

28.5 IBU (Tinseth)

BU/GU:

0.39

Calories:

242 (12 ounces)

ABV:

7.3%

ABW:

5.7%

Batch No:	65
OG:	1.073
OG (Plato):	17.74° P
Target OG:	1.074
Reading 1:	1.024 (22 days)
FG:	1.018
FG (Plato):	4.58° P
Target FG:	1.019
Real Extract:	6.96° P
App. Atten.:	74.2%
Real Atten.:	60.8%

General Information

Method:	All Grain

Method:

All Grain

Formulation based on 'Angel Wings' from "Brewing Classic Styles"

Scale Recipe

Enter desired final yield (volume):

gallons

Malts and Grains

10.50 pounds

Rahr Pilsen Malt

Color (L):	1-2 °L
Info/Use:	Light color, malty flavor. For pilsners, lagers.

65.6% of grist

5.50 pounds

German Light Munich Malt

Color (L):	5-6 °L
Info/Use:	For a malty, nutty flavor. Lagers, Oktoberfests and bock beer.

34.4% of grist

16.00 pounds

Total Grain Weight (Water Amounts

Water Amounts

Target Final Boil Volume:	5 gallons
Evaporation Rate:	0.78 gallons per hour
Boil Time:	75 minutes
Runoff Volume Needed:	6.2 gallons	5 gallons (final boil volume) ÷ 0.96 (cooling) + 1 gallons (boil evaporation)
Grain Amount:	16 pounds
Grain Absorbtion:	3.4 gallons
Total Water Needed:	10.1 gallons	6.2 gallons (runoff) + 3.4 gallons (grain absorbtion) + .5 gallons (equip. loss)
Mash Water Needed:	5.3 gallons	based on 1.33 quarts per pound of grain
Sparge Water Needed:	4.8 gallons	10.1 gallons (total water) – 5.3 gallons (mash water)

)

100% of grist

Hops

0.50 ounces

Chinook (Homegrown)

Region:	United States
AAU Range:	18 - 23%
Notes:	Grown in Redwing, MN. Analysis shows an alpha acid content of 22.3% and beta acid of 6.1%.
Typical Use:	Bittering

22% Leaf @ 60 minutes
Type: Bittering
Use: First Wort

11 AAUs

0.50 ounces

Total Hop Weight

11 AAUs

Boil

Total Boil Time:	75 minutes

Total Boil Time:

75 minutes

Yeast

Name:	Saflager West European Lager
Manufacturer:	Fermentis
Product ID:	S-23
Type:	Lager
Flocculation:	High
Attenuation:	73%
Alcohol Tolerance:	Medium
Temperature Range:	46–50°F
Amount:	24 gr

Equipment Profile

Red rectangular cooler

Batch Size:	5 gallons	Boil Volume:	7 gallons
Evaporation Rate:	9% per hour	Mash Tun Dead Space:	0 gallons
Efficiency:	80%	Mash Tun Weight:	10 pounds
Hop Utilization:	100%	Mash Tun Volume:	10 gallons
Loss:	.5 gallons	Mash Tun Specific Heat:	.3 Cal/gram per °C
Notes:	Suitable for larger batches, up to 25 pounds of grain in a thick mash.

Procedure

Mash in with 4 gal (16qt) of water at 147F. Allow to rest for 15 minutes. Then, draw off 6.2qt of medium thickness mash (ratio=1.0) for decoction. Bring the decoction to a boil and return to the main mash - the resulting temp should be 154F. Allow to rest for at least 45 minutes. Mash out with 8.6qt of boiling water. The resulting temperature should be 168F. After draining, sparge with an additional 3 gallons of water at 168F.

Mash in with 4 gal (16qt) of water at 147F. Allow to rest for 15 minutes. Then, draw off 6.2qt of medium thickness mash (ratio=1.0) for decoction. Bring the decoction to a boil and return to the main mash - the resulting temp should be 154F. Allow to rest for at least 45 minutes. Mash out with 8.6qt of boiling water. The resulting temperature should be 168F. After draining, sparge with an additional 3 gallons of water at 168F.

Tasting Reviews

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1 Review

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	45-50 = Outstanding		30-37 = Very Good		14-20 = Fair
	38-44 = Excellent		21-29 = Good		00-13 = Problematic

Review by

Aroma:	/ 12
Appearance:	/ 3
Flavor:	/ 20
Mouthfeel:	/ 5
Overall Impression:	/ 10
Cumulative Score:	0 / 50	Problematic

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