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papatom
I have two very similar recipes which show very different IBU calculations. How can recipe two with basically the same AA level hop and a longer boil time have less IBUs?
Recipe 1
Recipe Specifications
--------------------------
Batch Size: 5.00 gal
Boil Size: 2.50 gal
Estimated OG: 1.052 SG
Estimated Color: 7.0 SRM
Estimated IBU: 16.1 IBU
Brewhouse Efficiency: - %
Boil Time: 40 Minutes
Ingredients:
------------
Amount Item Type % or IBU
6.00 lb Wheat Dry Extract (8.0 SRM) Dry Extract 100.00 %
1.00 oz Hallertauer Mittelfrueh [4.40 %] (40 min)Hops 8.1 IBU
1.00 oz Saaz [2.00 %] (2 min) (Aroma Hop-Steep) Hops -
0.50 oz Orange Peel, Sweet (Boil 5.0 min) Misc
1 Pkgs Belgian Witbier (Wyeast Labs #3944) Yeast-Wheat
********************************************************************
Recipe 2
Recipe Specifications
--------------------------
Batch Size: 5.00 gal
Boil Size: 2.50 gal
Estimated OG: 1.050 SG
Estimated Color: 4.9 SRM
Estimated IBU: 10.0 IBU
Brewhouse Efficiency: - %
Boil Time: 60 Minutes
Ingredients:
------------
Amount Item Type % or IBU
0.50 lb DME Wheat Bavarian (Briess) (8.0 SRM) Dry Extract 7.69 %
6.00 lb LME Wheat Bavarian (Briess) (4.0 SRM) Extract 92.31 %
1.00 oz Liberty [4.50 %] (60 min) Hops 10.0 IBU
1.00 oz Saaz [2.50 %] (2 min) (Aroma Hop-Steep) Hops -
1 Pkgs Belgian Witbier (Wyeast Labs #3944) Yeast-Wheat
Recipe 1
Recipe Specifications
--------------------------
Batch Size: 5.00 gal
Boil Size: 2.50 gal
Estimated OG: 1.052 SG
Estimated Color: 7.0 SRM
Estimated IBU: 16.1 IBU
Brewhouse Efficiency: - %
Boil Time: 40 Minutes
Ingredients:
------------
Amount Item Type % or IBU
6.00 lb Wheat Dry Extract (8.0 SRM) Dry Extract 100.00 %
1.00 oz Hallertauer Mittelfrueh [4.40 %] (40 min)Hops 8.1 IBU
1.00 oz Saaz [2.00 %] (2 min) (Aroma Hop-Steep) Hops -
0.50 oz Orange Peel, Sweet (Boil 5.0 min) Misc
1 Pkgs Belgian Witbier (Wyeast Labs #3944) Yeast-Wheat
********************************************************************
Recipe 2
Recipe Specifications
--------------------------
Batch Size: 5.00 gal
Boil Size: 2.50 gal
Estimated OG: 1.050 SG
Estimated Color: 4.9 SRM
Estimated IBU: 10.0 IBU
Brewhouse Efficiency: - %
Boil Time: 60 Minutes
Ingredients:
------------
Amount Item Type % or IBU
0.50 lb DME Wheat Bavarian (Briess) (8.0 SRM) Dry Extract 7.69 %
6.00 lb LME Wheat Bavarian (Briess) (4.0 SRM) Extract 92.31 %
1.00 oz Liberty [4.50 %] (60 min) Hops 10.0 IBU
1.00 oz Saaz [2.50 %] (2 min) (Aroma Hop-Steep) Hops -
1 Pkgs Belgian Witbier (Wyeast Labs #3944) Yeast-Wheat