International Dark Lager
BJCP 2021 – 02C
Batch Size:
14.00 gallons
Brew Date:
January 5, 2025
Statistics
Attenuation:
72.1% Apparent
58.9% Real
Fermentables
Hops
| Amount |
Hop |
Time |
Use |
Form |
AA |
| 2.20 ounces | Magnum | 60 minutes | Boil | Pellet | 16.8% |
| 4.00 ounces | Hallertauer Mittelfrueh | 10 minutes | Boil | Pellet | 2.5% |
| 6.20 ounces |
Total Hop Weight |
Non-Fermentables
| Amount |
Non-Fermentable |
Type |
Use |
Time |
| 0.50 g | Calcium Chloride (CaCl2) | Water Agent | Mash | 0 minutes |
| 0.50 g | Canning Salt (NaCl) | Water Agent | Mash | 0 minutes |
| 2.50 g | Epsom Salt (MgSO4) | Water Agent | Mash | 0 minutes |
| 2.00 g | Gypsum (CaSO4) | Water Agent | Mash | 0 minutes |
| 4.00 ml | Lactic Acid | Water Agent | Mash | 0 minutes |
| 0.30 g | Calcium Chloride (CaCl2) | Water Agent | Sparge | 0 minutes |
| 0.30 g | Canning Salt (NaCl) | Water Agent | Sparge | 0 minutes |
| 1.50 g | Epsom Salt (MgSO4) | Water Agent | Sparge | 0 minutes |
| 1.30 g | Gypsum (CaSO4) | Water Agent | Sparge | 0 minutes |
| 4.00 ml | Lactic Acid | Water Agent | Sparge | 0 minutes |
Yeasts
| Name |
Lab/Manufacturer |
Product ID |
Form |
| German Bock Lager | White Labs | WLP833 | Liquid |
Equipment Profile Geoff's Electric Equipment
Batch Size:
14.00 gallons
Boil Volume:
15.30 gallons
Evaporation Rate:
1.96% per hour
Trub Chiller Loss:
0.26 gallons
Mash Profile Step Mash - Hochkurz
Mash Steps
| # |
Name |
Type |
Time |
Temp. |
| 1 | Maltose Rest | Temperature | 30 minutes | 145° F |
| 2 | Dextrinization Rest | Temperature | 45 minutes | 160° F |
| 3 | Mash Out | Temperature | 10 minutes | 168° F |
Fermentation and Aging
Secondary:
3 days @ 62° F
General Info
See the Brewfather batch log for fermentation progress details. Split batch with Matt J.