Knock Out Imperial Stout (04.18.2009)
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Ingredients (10 gallon batch)
| 28 lb |
- |
2-row |
| 3 lb |
- |
flaked |
| 3 lb |
- |
roasted |
| 1 lb |
- |
black patent |
| 1 lb |
- |
brown crystal 70°L |
| 2 |
- |
1084 irish ale wyeast |
| 8 oz |
- |
northern brewer 8.1% aa (boil) |
| 1 oz |
- |
cascade 8.0% aa (10 min) |
| 1 oz |
- |
cascade 8.0% aa (2 min) |
|
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Brew schedule
| 7:20 |
start heating strike water (9.5 gal) |
| 7:55 |
mash starts - mash: 158°F
strike water: 167°F |
| 8:55 |
mash ends - mash: 152°F |
| 9:22 |
sparge starts - mash: 168°F
water: 170°F |
| 9:45 |
sparge ends - mash: 156°F
water 160°F (8.5 gals added) |
| 10:00 |
hot break ends |
| 11:00 |
boil ends |
| 11:45 |
all cleaned up |
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Transfers
| 05.20.2009 |
secondary |
| 08.22.2009 |
kegged |
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Specs
Original gravity: 1.075
Secondary transfer: 1.024
Final gravity: 1.020
5.7% by weight
7.2% by volume
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Notes
Sparge thermometer off by ~18° (reads low, re-calibrated after session).
Substitute brown crystal 70°L for crystal 70°L.
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