Type: All Grain
Batch Size: 5.00 gal
Boil Size: 7.70 gal
Boil Time: 60 min
End of Boil Vol: 5.20 gal
Final Bottling Vol: 5.00 gal
Fermentation: Lager, Two Stage
Date: 27 Dec 2014
Brewer: Jack Goral
Asst Brewer:
Equipment: Jacek's BIAB Equipment
Efficiency: 72.00 %
Est Mash Efficiency: 72.0 %
Taste Rating: 30.0
Taste Notes:
Ingredients
Amt Name Type # %/IBU
4 lbs 8.0 oz Pilsen Premium Malt (1.8 SRM) Grain 1 44.6 %
4 lbs 8.0 oz Vienna Malt (3.5 SRM) Grain 2 44.6 %
8.0 oz Caramel/Crystal Malt -120L (120.0 SRM) Grain 3 5.0 %
5.6 oz Melanoiden Malt (20.0 SRM) Grain 4 3.5 %
4.0 oz Carafa I (337.0 SRM) Grain 5 2.5 %
0.50 oz Perle [4.80 %] - Boil 20.0 min Hop 6 6.4 IBUs
1.00 oz Brewer's Gold [8.00 %] - Boil 15.0 min Hop 7 17.5 IBUs
1.00 oz Perle [4.80 %] - Boil 15.0 min Hop 8 10.5 IBUs
1.00 oz Tettnang [4.50 %] - Steep/Whirlpool 5.0 min Hop 9 2.0 IBUs
1.0 pkg San Francisco Lager (White Labs #WLP810) [35.49 ml] Yeast 10 -

Gravity, Alcohol Content and Color

Est Original Gravity: 1.051 SG
Est Final Gravity: 1.017 SG
Estimated Alcohol by Vol: 4.5 %
Bitterness: 36.4 IBUs
Est Color: 17.1 SRM
Measured Original Gravity: 1.052 SG
Measured Final Gravity: 1.010 SG
Actual Alcohol by Vol: 5.5 %
Calories: 172.0 kcal/12oz

Mash Profile

Mash Name: BIAB, Pilsner Step Mash
Sparge Water: 0.00 gal
Sparge Temperature: 168.1 F
Adjust Temp for Equipment: TRUE
Total Grain Weight: 10 lbs 1.6 oz
Grain Temperature: 72.0 F
Tun Temperature: 72.0 F
Mash PH: 5.20
Mash Steps
Name Description Step Temperature Step Time
Acid Rest Add 33.76 qt of water at 97.2 F 95.0 F 5 min
Protein Rest Heat to 125.6 F over 15 min 125.6 F 15 min
Saccharification 1 Heat to 145.4 F over 11 min 145.4 F 45 min
Saccharification 2 Heat to 161.6 F over 9 min 161.6 F 30 min
Mash Out Heat to 172.4 F over 6 min 172.4 F 10 min

Sparge: If steeping, remove grains, and prepare to boil wort
Mash Notes: Brew in a bag method where the full boil volume is mashed within the boil vessel and then the grains are withdrawn at the end of the mash. No active sparging is required. This is a pilsner mash profile that can be used for styles requiring high attenuation and/or modification.

Carbonation and Storage

Carbonation Type: Keg with priming agent
Pressure/Weight: 1.96 oz
Keg/Bottling Temperature: 70.0 F
Fermentation: Lager, Two Stage
Volumes of CO2: 2.3
Carbonation Used: Keg with 1.96 oz Corn Sugar
Age for: 30.00 days
Storage Temperature: 60.0 F

Notes

2014-Dec-27 : started using step BAIAB mash. OG measured with refractometer was 1,045, with floating device 1,052. Fermentation visible in the evenning (~ 6hrs later)
2014-Dec-28 : very good fermentation
2015-Jan-03 : moved to secondar and harvested yeast.
2015-Jan-14 : kegged
2015-Feb-06 : nice beer and good carbonated by now

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