Rock Hoppers Brew Club RHBC Logs 2008-2017 > Logs

Kolsch – All Grain GONE

Batch #:

Batch Size:

11 gallons

Boil Time:

90 min

Brew Date:

March 21, 2010

Tap Date:

April 30, 2010

Statistics

Target OG:

1.055 13.6° P

OG:

1.056 13.8° P

Reading 1:

1.012 3.1° P at 21 days

Reading 2:

1.011 2.8° P at 32 days

Target FG:

1.013 3.3° P

FG:

1.012 3.1° P

Real Extract:

5° P

Attenuation:

77.5% Apparent – 63.8% Real

Color:

3.9 SRM

IBU:

19.8 Daniels

BU/GU:

0.35

ABV:

5.9%

ABW:

4.6%

Calories:

184 12 oz

Malts and Grains

Amount	Malt/Grain	% of Grist
20.60 pounds	German Pilsen Malt (2-Row)	95.4%
1.00 pounds	German Vienna Malt	4.6%
21.60 pounds	Total Grain Weight	100%

Hops

Amount	Hop	Time	Type	Use	Form	AA
3.00 ounces	Hallertauer Mittlefruh	60 min	Bittering and Aroma	Boil	Pellets	2.7%
1.00 ounces	Hallertauer Mittlefruh	60 min	Bittering and Aroma	Boil	Plug	4.0%
4.00 ounces	Total Hop Weight

Yeasts

Name	Lab/Manufacturer	Product ID	Amount
Kolsch Yeast	Wyeast	2565	1000 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 Step Temperature Mash, Light Bodied Beer

Ideal Grain Temp:

72°F

Ideal Tun Temp:

72°F

Ideal Sparge Temp:

168°F

Ideal PH:

5.4

Notes:

Mash with a direct heat source to maintain temperature.

Mash Steps

#	Name	Type	Time	Temp.	Description
1	Saccharification	Infusion	75 min.	150°F	Add 100% of mash water at 162° F / 72° C
2	Mash Out	Temperature	10 min.	168°F	Heat to 168° F / 75° C for at least 10 minutes

Fermentation and Aging

Primary:

21 days @ 60° F

Secondary:

14 days @ 60° F

Tertiary:

0 days @ ° F

Lager:

14 days @ 45° F

Ugh Kolsch

Date Brewed:
Brewer/Assistant:

Brew Day Data

	Target	Actual	Notes
Strike Water Amount:	7.2
Strike Water Temperature:
Mash Temperature(s):
Mash Time:
Sparge Water Amount:	9.5
Sparge Water Temperature:
Pre-Boil Gravity:
Pre-Boil Amount:	12.1
Post-Boil Amount:	11
Boil Time:	90
OG:	1.056 / 13.8° P
Mash PH:
Boil PH:

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Log: Ugh Kolsch