Czechmate
Specifics
Reference
Style:
Brew Date: January 2, 2013
Tap Date: February 16, 2013
Yield: 10 gallons
Reference
Color (SRM/EBC):
3.2/6.3
Bitterness (Calc): 45.4 IBU (Rager)
BU/GU: 0.84
Calories: 178 (12 ounces)
Conditioning: Keg
ABV: 5.6%
ABW: 4.4%
Batch No: 01-2013
OG: 1.054
OG (Plato): 13.33° P
Target OG: 1.056
FG: 1.012
FG (Plato): 3.07° P
Target FG: 1.016
Real Extract: 4.92° P
App. Atten.: 77%
Real Atten.: 63.1%
General Information
Method: All Grain
Comments

Made a starter 4 days before brew day. Fed it with fresh wort twice times to build cell count.

7.5 gallons (40%) of water was RO to emulate Pilzen water profile.

Mashed in at 1:05 PM. First decoction at 1:45 PM, second decoction started at 2:30 PM. Saccharification rest started at 3:15 PM. Vorlauf at 3:45, sparge at 4:10 PM. Boil started at 5:02 PM, flame out at 6:40.

Protein rest temperature: 120°F. 1st saccharification rest temperature: 142°F. 2nd saccharification rest temperature: 158°F.

Mash PH: 5.4; Boil PH: 5.4.

Scale Recipe
Enter desired final yield (volume):
 gallons  
Reference
Malts and Grains
Reference
Hops
1.00 ounces 3.1% Leaf @ 90 minutes
Type: Bittering
Use: First Wort
3.1 AAUs
0.75 ounces 10.0% Pellets @ 75 minutes
Type: Bittering
Use: Boil
7.5 AAUs
3.00 ounces 3.1% Leaf @ 25 minutes
Type: Flavor
Use: Boil
9.3 AAUs
2.50 ounces 3.1% Leaf @ 10 minutes
Type: Aroma
Use: Boil
7.8 AAUs
2.50 ounces 3.1% Leaf @ 0 minutes
Type: Aroma
Use: Boil
7.8 AAUs
9.75 ounces Total Hop Weight 35.4 AAUs
Boil
Total Boil Time: 90 minutes
Reference
Yeast
Name: Urquell Lager
Manufacturer: Wyeast
Product ID: 2001
Type: Lager
Flocculation: Medium
Attenuation: 74%
Temperature Range: 48–58°F
Amount: 5000 ml
Equipment Profile

Converted Keg, 10 Gallon/38 Liter Cooler Mash Tun

Batch Size: 10.00 gallons Boil Volume: 12.00 gallons
Evaporation Rate: 9.00% per hour Mash Tun Dead Space: 0.80 gallons
Efficiency: 72% Mash Tun Weight: 9.00 pounds
Hop Utilization: 100% Mash Tun Volume: 10.00 gallons
Loss: 1.00 gallons Mash Tun Specific Heat: 0.30 Cal/gram per °C
Notes:

Converted 15.5 gallon/59 liter keg boil kettle for full boil with a 10 gallon/38 liter cooler as a mash/lauter tun.

Mash Profile

Double Decoction

Grain Temperature: 72°F Tun Temperature: 72°F
Sparge Temperature: 168°F PH: 5.4
PPG: 30.3 Efficiency: 86.9%
Notes:

Draw some of the mash, rest, and boil. Add back to main mash.

Steps

# Name Type Time Temp. Description
1 Protein Rest Infusion 35 min. 122°F

Add water at 126° F / 52° C

2 Saccharification Decoction 20 min. 147°F

Decoct 30% of mash, rest for at least 10 minutes, and boil

3 Saccharification Decoction 20 min. 158°F

Decoct 15% of mash, rest for at least 10 minutes, and boil

4 Mash Out Infusion 10 min. 168°F

Heat to 168° F / 75° C for at least 10 minutes

Water Profile

Pilsen, Czech Republic

Calicum: 7.0 ppm
Bicarbonate: 2.0 ppm
Sulfate: 5.0 ppm
Chloride: 5.0 ppm
Sodium: 15.0 ppm
Magnesium: 5.0 ppm
PH: 8.0%
Notes:

Very soft water.

Fermentation
Primary: 24 days @ 50° F
Secondary: 2 days @ 60° F
Lager: 28 days @ 34° F
print logprint default Output to Beer XML
Bottle Label
Awards & Competitions
Entry Name: Czechmate
Competition: Peak to Peak ProAm
Date: Mar 23, 2013
Style: Bohemian Pilsener
Place: 3rd (Bronze)
Entry Name: Czechmate
Competition: National Homebrew Competition First Round
Date: Apr 20, 2013
Style: Bohemian Pilsener
Place: 3rd (Bronze)
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