John,
Here we go for 13 litres, partial.
I've kept the boil at 90 minutes. From memory when I looked at your recipe last night you had changed to 60 minutes, but you must not have changed the hop quantaties which would explain the doubling in bitterness levels.
Beers,
Doc
James Squire Amber Ale
A ProMash Recipe Report
BJCP Style and Style Guidelines
-------------------------------
06-B American Pale Ales, American Amber Ale
Min OG: 1.045 Max OG: 1.056
Min IBU: 20 Max IBU: 40
Min Clr: 22 Max Clr: 35 Color in EBC
Recipe Specifics
----------------
Batch Size (L): 13.00 Wort Size (L): 13.00
Total Grain (kg): 2.43
Anticipated OG: 1.049 Plato: 12.18
Anticipated EBC: 48.9
Anticipated IBU: 26.7
Brewhouse Efficiency: 70 %
Wort Boil Time: 90 Minutes
Pre-Boil Amounts
----------------
Evaporation Rate: 10.00 Percent Per Hour
Pre-Boil Wort Size: 15.29 L
Pre-Boil Gravity: 1.042 SG 10.41 Plato
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
Additional Utilization Used For Plug Hops: 2 %
Additional Utilization Used For Pellet Hops: 10 %
Additional Utilization Used For First Wort Hops: -10 %
Grain/Extract/Sugar
% Amount Name Origin Potential EBC
-----------------------------------------------------------------------------
30.2 0.73 kg. Muntons DME - Light England 1.046 10
52.3 1.27 kg. Weyermann Caramunich I Germany 1.036 100
11.6 0.28 kg. Weyermann Carapils (Carafoam) Germany 1.037 3
5.8 0.14 kg. Weyermann Caraaroma Germany 1.034 350
Potential represented as SG per pound per gallon.
Hops
Amount Name Form Alpha IBU Boil Time
-----------------------------------------------------------------------------
2.26 g. Super Alpha Whole 12.00 6.2 First WH
3.39 g. Super Alpha Whole 12.00 10.0 80 min.
5.65 g. Cluster Whole 7.00 9.7 80 min.
3.96 g. Willamette Pellet 5.00 0.8 5 min.
Yeast
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White Labs WLP005 British Ale