GrantLee63
Well-Known Member
- Joined
- Jun 24, 2006
- Messages
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- Reaction score
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Any thoughts as to why my stout finished with such a high FG? I've made this recipe several times and never experienced this before - S-04 has always given me excellent results. Fermentation temps were in the 65-68 degree range. Made it on 09/04 and kegged it today - 09/19.
Here is my recipe:
Oatmeal Stout
Type: All Grain
Date: 9/4/2009
Batch Size: 5.75 gal
Brewer: GrantLee63
Boil Size: 8.05 gal Asst Brewer:
Boil Time: 90 min Equipment: My Equipment
Taste Rating(out of 50): 0.0 Brewhouse Efficiency: 80.00
Taste Notes:
Ingredients
Amount Item Type % or IBU
6.00 lb Pale Malt, Maris Otter (3.0 SRM) Grain 57.14 %
1.75 lb Barley, Flaked (1.7 SRM) Grain 16.67 %
1.75 lb Oats, Flaked (1.0 SRM) Grain 16.67 %
1.00 lb Roasted Barley (Crisp) (695.0 SRM) Grain 9.52 %
1.00 oz Fuggles [4.50 %] (60 min) Hops 14.8 IBU
1.00 oz Fuggles [4.50 %] (30 min) Hops 11.4 IBU
1.00 tsp Fermcap-S (Boil 90.0 min) Misc
1.00 tsp Irish Moss (Boil 15.0 min) Misc
1.00 tbsp pH 5.2 Stabilizer (Mash 60.0 min) Misc
1 Pkgs Safale (Fermentis #S-04) Yeast-Ale
Beer Profile
Est Original Gravity: 1.053 SG
Measured Original Gravity: 1.050 SG
Est Final Gravity: 1.015 SG Measured Final Gravity: 1.024 SG
Estimated Alcohol by Vol: 4.94 % Actual Alcohol by Vol: 3.39 %
Bitterness: 26.1 IBU Calories: 229 cal/pint
Est Color: 40.9 SRM Color: Color
Mash Profile
Mash Name: Single Infusion, Medium Body, No Mash Out Total Grain Weight: 10.50 lb
Sparge Water: 5.69 gal Grain Temperature: 65.0 F
Sparge Temperature: 168.0 F TunTemperature: 65.0 F
Adjust Temp for Equipment: TRUE Mash PH: 5.4 PH
Single Infusion, Medium Body, No Mash Out Step Time Name Description Step Temp
60 min Mash In Add 16.50 qt of water at 170.1 F 154.0 F
Mash Notes: Simple single infusion mash for use with most modern well modified grains (about 95% of the time).
Carbonation and Storage
Carbonation Type: Kegged (Forced CO2) Volumes of CO2: 2.5
Pressure/Weight: 27.6 PSI Carbonation Used:
Keg/Bottling Temperature: 68.0 F Age for: 7.0 days
Storage Temperature: 38.0 F
Notes
09/19/2009 - Experienced a very low attenuation which is unusual with S-04. I do not know why. Kegged nonetheless.
Thanks - GL63
Here is my recipe:
Oatmeal Stout
Type: All Grain
Date: 9/4/2009
Batch Size: 5.75 gal
Brewer: GrantLee63
Boil Size: 8.05 gal Asst Brewer:
Boil Time: 90 min Equipment: My Equipment
Taste Rating(out of 50): 0.0 Brewhouse Efficiency: 80.00
Taste Notes:
Ingredients
Amount Item Type % or IBU
6.00 lb Pale Malt, Maris Otter (3.0 SRM) Grain 57.14 %
1.75 lb Barley, Flaked (1.7 SRM) Grain 16.67 %
1.75 lb Oats, Flaked (1.0 SRM) Grain 16.67 %
1.00 lb Roasted Barley (Crisp) (695.0 SRM) Grain 9.52 %
1.00 oz Fuggles [4.50 %] (60 min) Hops 14.8 IBU
1.00 oz Fuggles [4.50 %] (30 min) Hops 11.4 IBU
1.00 tsp Fermcap-S (Boil 90.0 min) Misc
1.00 tsp Irish Moss (Boil 15.0 min) Misc
1.00 tbsp pH 5.2 Stabilizer (Mash 60.0 min) Misc
1 Pkgs Safale (Fermentis #S-04) Yeast-Ale
Beer Profile
Est Original Gravity: 1.053 SG
Measured Original Gravity: 1.050 SG
Est Final Gravity: 1.015 SG Measured Final Gravity: 1.024 SG
Estimated Alcohol by Vol: 4.94 % Actual Alcohol by Vol: 3.39 %
Bitterness: 26.1 IBU Calories: 229 cal/pint
Est Color: 40.9 SRM Color: Color
Mash Profile
Mash Name: Single Infusion, Medium Body, No Mash Out Total Grain Weight: 10.50 lb
Sparge Water: 5.69 gal Grain Temperature: 65.0 F
Sparge Temperature: 168.0 F TunTemperature: 65.0 F
Adjust Temp for Equipment: TRUE Mash PH: 5.4 PH
Single Infusion, Medium Body, No Mash Out Step Time Name Description Step Temp
60 min Mash In Add 16.50 qt of water at 170.1 F 154.0 F
Mash Notes: Simple single infusion mash for use with most modern well modified grains (about 95% of the time).
Carbonation and Storage
Carbonation Type: Kegged (Forced CO2) Volumes of CO2: 2.5
Pressure/Weight: 27.6 PSI Carbonation Used:
Keg/Bottling Temperature: 68.0 F Age for: 7.0 days
Storage Temperature: 38.0 F
Notes
09/19/2009 - Experienced a very low attenuation which is unusual with S-04. I do not know why. Kegged nonetheless.
Thanks - GL63