Date started: 7 October 2009
10.013 kg Powells Ale Malt
1.008 kg Roast barley
202 g Chocolate malt
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Wyeast 1271 American Ale II Yeast, from brew 132
85 g Pride of Ringwood, 8.9%, 60 min
31 g Hallertau, 3.7%, 2006 harvest, 10 min
Volume: 72 litres
Initial density: 12.2%, pH 5.8?
Procedure
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10:11: Mash in 40 l water at 71° → 65°.
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11:00: Temperature 63°, start heating
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11:10: 72°, stop heating.
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11:58: 70°, start sparging. 20.0%, pH 5.8 (?).
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13:16: End sparge, 72 l, last runnings 1.5%, pH 6.3.
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13:22: Boil
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13:29: Add Pride of Ringwood.
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14:18: Add Hallertau.
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14:29: Cool.
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16:09: Pitch
Fermentation temperature
Notes
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pH seems very high, especially for a stout. I need to calibrate my pH meter.