Wednesday, March 7, 2012

Sonnenstrahl (Kölsch-style bier)

My original idea with this brew was to use a simple Kölsch-style recipe, but ferment it with my local wild yeast. However, the slurry I kept was pretty old and I wasn't sure how great an idea it was to use it anymore. Besides, I liked the idea of brewing up an authentic style I hadn't tried before, So, I ditched the "Wild Kölsch" idea and instead decided to go pretty much traditional with this one. I harvested some WLP036 yeast when I bottled Frühlingstraum, this year's altbier, so this kölsch will be a sort of sister beer to the alt - the Sunbeam for my Dreams of Spring. I was going to use the left-over Spaltz hops I had from the alt, but thought that might make the two beer too similar in flavor profile, especially with using the same yeast. So instead I decided to try out some German Opal hops I picked up from Northern Brewer. These aroma hops are described as spicy with tones of citrus, so I think they'll be good used judiciously in this light hybrid beer.

Sonnenstrahl Kölsch
brewed on 3/7/12

Recipe Specifications
Batch Size: 3.50 gal
Estimated Color: 4.4 SRM
Estimated IBU: 30.2 IBUs
Brewhouse Efficiency: 72.00 %
Est Mash Efficiency: 72.0 %
Boil Time: 65 Minutes
OG: 1.045
FG: 1.010
ABV: 4.6%

3 lbs Pilsner malt - 51.4 %
2 lbs Pale Malt - 34.2 %
8.0 oz Munich Malt - 8.6 %
4.0 oz Wheat Malt, Pale - 4.3 %
1.5 oz Acidulated malt - 1.5 % (for mash pH)

8 g Magnum [13.10 %] - 60.0 min
10 g Opal [6.30 %] - 15.0 min

Dusseldorf Alt Yeast (White Labs #WLP036) - reclaimed from 2012 Altbier

Mash Schedule
Single Infusion, 151°F, Batch Sparge

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