03-13-2010 HB Two Bears Abbey Dubbel

A ProMash Brewing Session Report

Brewing Date: Saturday March 13, 2010
Head Brewer: Cal Frye
Asst Brewer:   
Recipe: HB Two Bears Abbey Dubbel

Recipe Specifics
Batch Size (Gal): 5.00 Wort Size (Gal): 5.00
Total Grain (Lbs): 9.70      
Anticipated OG: 1.070 Plato: 17.12
Anticipated SRM: 16.6        
Anticipated IBU: 32.0      
Brewhouse Efficiency: 75  %   
Wort Boil Time: 60  Minutes   

Actual OG: 1.064 Plato: 15.67   
Actual FG: 1.020 Plato: 5.08   
Alc by Weight: 4.51 by Volume: 5.82 From Measured Gravities.
ADF: 67.6 RDF: 56.8 Apparent & Real Degree of Fermentation.

Formulas Used
Brewhouse Efficiency and Predicted Gravity based on Method #1, Potential Used.
Final Gravity Calculation Based on Points.
Hard Value of Sucrose applied. Value for recipe: 46.2100 ppppg
% Yield Type used in Gravity Prediction: Fine Grind Dry Basis.

Color Formula Used: Morey
Hop IBU Formula Used: Rager

% Amount Name Origin Potential SRM
61.9 6.00 lbs.  Muntons LME - Light England 1.037 5
22.7 2.20 lbs.  Jaggery India 1.043 0
5.2 0.50 lbs.  Melanoidin Malt    1.033 35
10.3 1.00 lbs.  Special B Malt Belgian 1.030 120

Potential represented as SG per pound per gallon.

Amount Name Form Alpha IBU Boil Time
1.75 oz.  Vanguard Whole 4.50 32.0 60 min

Amount Name Type Time
0.70 gm  Black Pepper Spice 10 Min.(boil)
2.50 gm  Cinnamon Spice 10 Min.(boil)

Danstar Windsor

Fermentation Specifics
Pitched From: Slurry
Amount Pitched: 1000 GR
Lag Time: 1.00 hours

Primary Fermenter: Plastic
Primary Type: Closed
Days In Primary: 7
Primary Temperature: 68 degrees F

Secondary Fermenter: Glass
Secondary Type: Closed
Days In Secondary: 14
Secondary Temperature: 68 degrees F

Original Gravity: 1.064 SG 15.67 Plato
Finishing Gravity: 1.020 SG 5.08 Plato

Bottling/Kegging Specifics
Bottling Date: Saturday April 03, 2010
Desired Carbonation Level: 2.30 Volumes CO2
Fermentation Temperature: 68 F

Amount Kegged: 5.00 Gallons
Days Conditioned: 0
Carbonation Method: Forced
Carbonation Temperature: 42 F
Pressure Used: 11.07 Psi

Mash Notes
2 oz. Caraca II for color. Sinnamar would work, too. Use a darker Crystal or Caramel malt for color/body next time, perhaps.

Tasting Notes
Good, needs some more malty character, but several "genuine" Dubbels are not as chewy as I guess I expect this to be. Perhaps a smidge of nutmeg...?

Problem Notes
Even the little Vanguard hops in this recipe come on a bit too strong. Don't lower them, raise the malt and bring it in balance.

Treat water with a campden tablet to remove chlorine, adjust pH with phosphoric acid to 5-6. Had no Melanoidin, so substituted Carafa II. Result is too hoppy, little malt character. Needs crystal/caramel malt. Maybe a smidge of nutmeg. Possibly add a bottle of Orval to secondary?

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