Pre-Prohibition Pils

All Grain Recipe

Submitted By: rcbrownia (Shared)
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Brewer: RC Brown
Batch Size: 5.25 gal	Style: Classic American Pilsner ( 2C)
Boil Size: 6.56 gal	Style Guide: BJCP 2008
Color: 3.4 SRM	Equipment: RCB Equipment
Bitterness: 32.2 IBUs	Boil Time: 75 min
Est OG: 1.057 (14.1° P)	Mash Profile: Single Infusion, Light Body, No Mash Out
Est FG: 1.013 SG (3.2° P)	Fermentation: Lager, Three Stage
ABV: 5.9%	Taste Rating: 30.0

Ingredients
Amount	Name	Type	#
5.68 gal	RO Water	Water	1
7.00 ml	Lactic Acid (Mash 60 min)	Misc	2
1.30 g	Salt (Mash 60 min)	Misc	3
0.85 g	Gypsum (Calcium Sulfate) (Mash 60 min)	Misc	4
0.19 g	Baking Soda (Mash 60 min)	Misc	5
0.06 g	Calcium Chloride (Mash 60 min)	Misc	6
7 lbs 4.20 oz	Pilsner (2 Row) Ger (2.0 SRM)	Grain	7
3 lbs 2.40 oz	Corn, Flaked (1.3 SRM)	Grain	8
1.63 g	Salt (Sparge 60 min)	Misc	9
1.06 g	Gypsum (Calcium Sulfate) (Sparge 60 min)	Misc	10
0.24 g	Baking Soda (Sparge 60 min)	Misc	11
0.08 g	Calcium Chloride (Sparge 60 min)	Misc	12
0.56 oz	Magnum [10.3%] - Boil 60 min	Hops	13
1.40 oz	Saaz [2.1%] - Boil 20 min	Hops	14
1.05 tsp	Irish Moss (Boil 10 min)	Misc	15
1.40 oz	Saaz [2.1%] - Boil 10 min	Hops	16
1.40 oz	Saaz [2.1%] - Boil 5 min	Hops	17
1.40 oz	Saaz [2.1%] - Boil 0 min	Hops	18
1.1 pkgs	Bohemian Lager (Wyeast Labs #2124)	Yeast	19

Notes

Collected 8.7 gallons of wort of 49 gravity points, which is right on target for the recipe. Interestingly, I could have easily pulled off another gallon of wort. As it was, the 8.7 gallons of wort required boiling off 1.2 gallons to get 7.5 gallons for the fermenters. Exacerbating the problem, I did not get my usual 0.75 gallons/hour of boil-off. The first 0.2 gallons took 45 minutes (0.3 gal/h), but as boil-off proceeded, this increased to 0.6 gal/h. I did not anticipate such variability of boil-off with volume.

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