Monday, November 15, 2010

Doppelbock, November 14 2010

Contemplating the frustration of having limitations with my mash tun, it occurred to me that I really don't need to make 5 gallons every time I brew (what I really want is 10).  I decided to give a try making a 4 gallon batch with a reasonable capacity of about 13.5 pounds.  A grain bill that size is easy enough to manage (stirring without spilling all over the place) but is about a pound or so too big for a multi-infusion mash. I'll opt for a single-infusion to see what's possible with a lower final yield.  Turns out that I'm just within the Doppelbock range of starting gravities (1.072-1.112) with this brew.  I figured that if I missed the mark, I would still have a Traditional Bock.
13.5 lbs. of grain in a 5-gallon Rubbermaid cooler is easy to work with.

After adding today's batch, looks like plenty of room for 2 more primaries.

BJCP Category 5C. Doppelbock
4 Gallons, All Grain, Single Infusion Mash, 90 Minute Boil

5.2 lbs. Vienna
5 lbs. Belgian Pilsner
1.2 lbs. Munich
1 lb. Caramunich
1 lb. Caravienne
1 oz. Dark British Crystal
1 oz. Melanoidan
1 oz. Carafa II

Single Infusion Mash
(1 qt./lb. raised to 168°F)
Saccharification Rest at 152°F for 70 minutes
Fly-sparged 4.5 gallons at 170°F

1 oz. Tettnanger 60 min.
0.5 oz. Spalt 20 min.
1 Whirlfloc tab 15 min.

White Labs WLP830 German Lager Yeast   200ml of leftover slurry from previous week's brewing
Currently in ferment at 52°Fin the Lager Cave

OG: 1.076 @ 68°F
FG: 1.022 @ 39°F
ABV: 7.3%

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