I really, really like a good German pils, and have iterated through two batches previously. Based on what I learned there, I refined the recipe a bit more. I opted for Magnum hops for bittering, Barke pilsner malt (courtesy of a free bag from Weyermann at Homebrew Con), and a return to decoction mashing.
Palaeotis Pils 1.2
- 8.5 lbs. Barke pilsner malt (Weyermann)
- 0.6 lb. acidulated malt (Bestmalz)
- 0.6 oz. Magnum hop pellets (13.2% alpha), 60 minute boil
- 1 Whirlfloc tablet, 10 minute boil
- 0.5 tsp. Fermax, 10 minute boil
- 1 oz. Hallertauer Mittelfrueh hop pellets (4.1% alpha), 5 minute boil
- 2 pkg. Saflager lager yeast (W34/70)
- Double decoction mash, infusion to hit 45 minute rest at 151°, thick decoction to raise temperature to 158°, 10 minute rest, thin decoction to mash out at 168°. Batch sparge.
- Water built from R.O., to hit 59.1 ppm Ca, 8.2 ppm Mg, 89 ppm SO4, and 62.9 ppm Cl.
- 1.046 s.g., 1.008 f.g., 34 IBU, 3.4 SRM, 5.0% abv
- I started with RO water for both the mash and sparge. For the mash water, I added 1.65 g gypsum, 1.35 g epsom salt, and 2.1 g CaCl to 4.75 gallons of RO water. For the sparge water, I added the same masses of the salts to 3.8 gallons of RO water.
- I mashed in with 4.75 gallons of water at 158°, to hit a 151° mash rest.
- After 45 minutes, I pulled 2 gallons of thick decoction, raised to 160° for 10 minutes, boiled for 10 minutes, and then added it back to the mash. This raised the mash to 158°.
- After another 10 minutes, I pulled a 1 gallon thin decoction (basically, the first runnings), boiled this for 10 minutes, and added back to the mash tun. After another 10 minutes of settling, I pulled off the first runnings.
- Next, I added 3.8 gallons of sparge water at 185°, let it sit for 10 minutes, and then drained the mash tun.
- In total, I collected 6.7 gallons of runnings with a gravity of 1.044–this is 88% efficiency! I added 0.5 gallons of RO water to bring the gravity down to 1.041.
- I boiled for 60 minutes, adding the hops and other additions per the schedule. After the boil was complete, I chilled to 80° with my immersion chiller, and then chilled down to 48° overnight in my fermentation chamber.
- I brewed the beer on 19 November 2017, and pitched the yeast on 20 November 2017. Fermentation was started at 50°, and raised to 54° on 27 November 2017. Finally, I raised the temperature to 66° on 2 December 2017.
- In a week or so, I plan to cold crash and then keg the beer.
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