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This is a step infusion procedure.
Mash-in with 4 1/2 gallons of water at 150°F. Target temp 133°F
22 minutes protein rest.
Step infuse with 10 quarts boiling water. Target Temp 153°F
65 minutes starch conversion.
Recycle first runnings after heating to 170°F
Sparge with about 10 gallons water at 175°F
Skim hot break prior to first hop addition
Add Irish Moss 20 minutes before the end of the boil.
Primary fermentation at 54°F for 21 days.
Secondary fermentation at 48°F 14 days
Raise temperature to 60°F for diacetyl rest 5 days.
Keg 3 gallons, force carbonate.
Bottle 7 gallons, primed with 130 grams priming sugar.