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Type: All Grain
Batch Size: 20.00 l
Boil Size: 25.99 l
Boil Time: 60 min
End of Boil Vol: 23.19 l
Final Bottling Vol: 17.80 l
Fermentation: Vienna lager 2017
Date: 02 Apr 2017
Brewer: Sarah
Asst Brewer:
Equipment: ACE Micro
Efficiency: 75.00 %
Est Mash Efficiency: 81.8 %
Taste Rating: 30.0
Taste Notes:
Ingredients

Amt

Name

Type

#

%/IBU
2.00 ml Phosphoric Acid 85% (Mash 60.0 mins) Water Agent 1
1.00 tsp Calcium Chloride (Mash 60.0 mins) Water Agent 2
4800.00 g Vienna (BestMälz) (8.0 EBC) Grain 3 100.0 %
50.00 g Saaz [4.20 %] – Boil 60.0 min Hop 4 25.7 IBUs
1.00 Items Whirlfloc Tablet (Boil 15.0 mins) Fining 5
1.00 tsp Yeast Nutrient (Boil 15.0 mins) Other 6
2.0 pkg Bavarian Lager (Mangrove Jack’s #M76) Yeast 7

Gravity, Alcohol Content and Color

Est Original Gravity: 1.053 SG
Est Final Gravity: 1.013 SG
Estimated Alcohol by Vol: 5.2 %
Bitterness: 25.7 IBUs
Est Color: 11.7 EBC
Measured Original Gravity: 1.042 SG
Measured Final Gravity: 1.010 SG
Actual Alcohol by Vol: 4.2 %
Calories: 389.2 kcal/l

Mash Profile

Mash Name: Temperature Mash, 2 Step, Medium Body
Sparge Water: 11.78 l
Sparge Temperature: 75.6 C
Adjust Temp for Equipment: FALSE
Est Mash PH: 5.65
Measured Mash PH: 5.65
Total Grain Weight: 4800.00 g
Grain Temperature: 22.2 C
Tun Temperature: 22.2 C
Target Mash PH: 5.20
Mash Acid Addition: 6.3 ml Phosphoric Acid (85%)
Sparge Acid Addition: 0.0 ml Phosphoric Acid (85%)
Mash Steps

Name

Description

Step Temperature

Step Time
S1 Add 19.02 l of water at 52.7 C 50.0 C 30 min
s2 Heat to 62.0 C over 15 min 62.0 C 20 min
s3 Heat to 68.0 C over 4 min 68.0 C 40 min
Mash Out Heat to 77.0 C over 10 min 77.0 C 5 min

Sparge: Fly sparge with 11.78 l water at 75.6 C

Mash Notes: Two step profile with a protein rest for mashes with unmodified grains or adjuncts. Temperature mash for use when mashing in a brew pot over a heat source such as the stove. Use heat to maintain desired temperature during the mash.

Carbonation and Storage

Carbonation Type: Bottle
Pressure/Weight: 104.70 g
Keg/Bottling Temperature: 21.1 C
Fermentation: Vienna lager 2017
Fermenter:
Volumes of CO2: 2.3
Carbonation Est: Bottle with 104.70 g Corn Sugar
Carbonation (from Meas Vol): Bottle with 111.33 g Corn Sugar
Age for: 30.00 days
Storage Temperature: 8.0 C

Notes

 

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About

Sarah is an experienced home brewer, a qualified BJCP beer judge, organiser of the Welsh National Homebrew Competition and sometimes Brewtuber under her home brewery name, Daft Cat Brewing