Baltic Porter

Selected Style and BJCP Guidelines
12C-Porter-Baltic Porter

Minimum OG: 1.060 SG Maximum OG: 1.090 SG
Minimum FG: 1.016 SG Maximum FG: 1.024 SG
Minimum IBU: 20 IBU Maximum IBU: 40 IBU
Minimum Color: 17.0 SRM Maximum Color: 30.0 SRM


Recipe Overview
Wort Volume Before Boil: 7.50 US gals Wort Volume After Boil: 6.00 US gals
Volume Transferred: 5.50 US gals Water Added To Fermenter: 0.00 US gals
Volume At Pitching: 5.50 US gals Volume Of Finished Beer: 5.00 US gals
Expected Pre-Boil Gravity: 1.068 SG Expected OG: 1.084 SG
Expected FG: 1.020 SG Apparent Attenuation: 75.0 %
Expected ABV: 8.7 % Expected ABW: 6.7 %
Expected IBU (using Rager): 34.2 IBU Expected Color (using Morey): 27.4 SRM
BU:GU ratio: 0.41 Approx Color:
Mash Efficiency: 75.0 %
Boil Duration: 90.0 mins
Fermentation Temperature: 53 degF


Fermentables
Ingredient Amount % MCU When
German Munich Malt 10lb 4oz 56.1 % 9.4 In Mash/Steeped
German Pilsner Malt 6lb 4oz 34.3 % 1.4 In Mash/Steeped
US Caramel 60L Malt 8.00 oz 2.7 % 5.0 In Mash/Steeped
Belgian Special B 8.00 oz 2.7 % 12.2 In Mash/Steeped
German Carafa II Special 6.00 oz 2.1 % 26.9 In Mash/Steeped
US Chocolate Malt 4.00 oz 1.4 % 14.6 In Mash/Steeped
US Carapils Malt 2.00 oz 0.7 % 0.0 In Mash/Steeped


Hops
Variety Alpha Amount IBU Form When
US Magnum 16.0 % 0.50 oz 31.1 Loose Pellet Hops 60 Min From End
Czech Saaz 3.0 % 1.00 oz 3.1 Loose Pellet Hops 15 Min From End


Other Ingredients
Ingredient Amount When
Whirlfloc Tablet 1.00 oz In Boil


Yeast
White Labs WLP885-Zurich Lager


Water Profile
Target Profile: London (UK)
Mash pH: 5.2
pH Adjusted with: Unadjusted

Total Calcium (ppm): 46 Total Magnesium (ppm): 5
Total Sodium (ppm): 14 Total Sulfate (ppm): 30
Total Chloride(ppm): 43 Total Bicarbonate (ppm): 0


Mash Schedule
Mash Type: Full Mash
Schedule Name: Single Step Infusion (65C/149F)

Step Type Temperature Duration
Rest at 149 degF 60


Recipe Notes
Recipe from Brewing Classic Styles. 
 
Additional notes: 
http://forum.northernbrewer.com/viewtopic.php?f=4&t=38973 
http://archive.maltosefalcons.com/recipes/20070102.php