Rock Hoppers Brew Club RHBC Logs 2008-2017 > Logs

Mild – All Grain GONE

Batch #:

05-2013

Batch Size:

10 gallons

Boil Time:

90 min

Conditioning:

Keg

Brew Date:

March 16, 2013

Tap Date:

April 7, 2013

Cost:

$16.00

Statistics

Target OG:

1.038 9.5° P

OG:

1.040 10° P

Target FG:

1.009 2.3° P

Color:

17.5 SRM

IBU:

22.1 Rager

BU/GU:

0.55

Comments

Mash PH was a bit basic initially at 5.9. Added 1/2 ounce of lactic acid to bring it to 5.4. Perhaps add a bit more to lower to the 5.2-3 range.

Adjusted the gap on the mill to see if it would affect efficiency. Much better - almost a 10% increase.

Malts and Grains

Amount	Malt/Grain	% of Grist
10.50 pounds	Scottish Golden Promise	77%
1.40 pounds	British Crystal Malt	10.3%
0.93 pounds	Crystal Malt 120L	6.8%
0.40 pounds	British Brown Malt	2.9%
0.40 pounds	British Chocolate Malt	2.9%
13.63 pounds	Total Grain Weight	100%

Hops

Amount	Hop	Time	Type	Use	Form	AA
1.45 ounces	Challenger	60 min	Bittering	Boil	Leaf	5.7%
1.45 ounces	Total Hop Weight

Yeasts

Name	Lab/Manufacturer	Product ID	Amount
English Ale	White Labs	WLP002	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, Full 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	45 min.	158°F	Add 100% of mash water at 171° F / 77° C

Water Profile London, England

Calcium:

52 ppm

Bicarbonate:

156 ppm

Sulfate:

77 ppm

Chloride:

60 ppm

Sodium:

99 ppm

Magnesium:

16 ppm

PH:

8.0

Notes:

Carbonate plus high levels of sodium and chloride encourage balanced, smooth dark beers such as porter and mild.

Fermentation and Aging

Primary:

7 days @ 68° F

Mildly Amused

Date Brewed:
Brewer/Assistant:

Brew Day Data

	Target	Actual	Notes
Strike Water Amount:	4.5
Strike Water Temperature:
Mash Temperature(s):
Mash Time:
Sparge Water Amount:	9.3
Sparge Water Temperature:
Pre-Boil Gravity:
Pre-Boil Amount:	11
Post-Boil Amount:	10
Boil Time:	90
OG:	1.040 / 10° P
Mash PH:
Boil PH:

Printed using BrewBlogger 3.0.0, brewing log software for PHP and MySQL, available at http://www.brewblogger.net.

Log: Mildly Amused