pilsner (decoction)
Bohemian Pilsner

 

Type: All Grain

Date: 12/02/2005

Batch Size: 19.00 L

Brewer: Tim Gorman
Boil Size: 23.97 L Asst Brewer:
Boil Time: 90 min Equipment: Brew Pot (6+gal) and Igloo/Gott Cooler (5 Gal)
Taste Rating(out of 50): 35.0 Brewhouse Efficiency: 75.0
Taste Notes:
 

Ingredients

Amount Item Type % or IBU
3.20 kg Pilsner (Weyermann) (1.7 SRM) Grain 79.4 %
0.43 kg Vienna Malt (4.0 SRM) Grain 10.7 %
0.40 kg Carafoam (2.0 SRM) Grain 9.9 %
27.00 gm Saaz (pellet) [3.60%] (90 min) (First Wort Hop) Hops 15.3 IBU
28.30 gm Saaz (plug) [3.50%] (60 min) Hops 12.2 IBU
28.30 gm Saaz (plug) [3.50%] (30 min) Hops 9.3 IBU
1 Pkgs Pilsner Urqell (Wyeast Labs #2001) [Starter 125 ml] Yeast-Lager

 

Beer Profile

Est Original Gravity: 1.049 SG

Measured Original Gravity: 1.050 SG
Est Final Gravity: 1.014 SG Measured Final Gravity: 1.008 SG
Estimated Alcohol by Vol: 4.6 % Actual Alcohol by Vol: 5.5 %
Bitterness: 36.8 IBU Calories: 463 cal/l
Est Color: 3.5 SRM Color:
Color
 

Mash Profile

Mash Name: Decoction Mash, Double Total Grain Weight: 4.03 kg
Sparge Water: 12.14 L Grain Temperature: 22.2 C
Sparge Temperature: 75.6 C TunTemperature: 22.2 C
Adjust Temp for Equipment: FALSE Mash PH: 5.4 PH
 

Name Description Step Temp Step Time
Protein Rest Add 16.81 L of water at 57.3 C 54.4 C 30 min
Saccharification Decoct 4.04 L of mash and boil it 63.9 C 20 min
Saccharification Decoct 2.32 L of mash and boil it 68.2 C 30 min

 
Mash Notes: Used for some authentic German styles. Attempt to draw decoction from the thickest portion of the mash. Profiles vary. Some traditional German mashes use a long acid rest at 40 deg C. Also some sources recommend the decoction amount be given a 15 minute saccharification rest at 158 F (70 C) before boiling it.

Carbonation and Storage

Carbonation Type: Corn Sugar Volumes of CO2: 2.4
Pressure/Weight: 107.6 gm Carbonation Used: -
Keg/Bottling Temperature: 15.6 C Age for: 28.0 days
Storage Temperature: 11.1 C  
 

Notes

Pitched yeast at 17C
Racked to secondary March 13, 2005 temp 7.1C