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brew of "Schwarzbier"

brewed on 2012-12-02 00:00 EST by jsled from recipe Schwarzbier
10gl | All Grain | Schwarzbier | 1.055 | 25 IBU | 28 SRM

notes

From Braukaiser

(Ca Mg Na SO₄ Cl HCO₃)
Target: 80 10 26 16 33 165
Source: 18 4 14 12 14 59
Gypsum: 0.0 1.2
Baking Soda (0.05 g/L): 1.5 -
CaCl₂ (0.04 g/L): 1.2 5.3
CaCO₃ (0.10 g/L): 3.0 -
Lactic (0.15 mL/L): 4.5 1.9
Computed: 68.9 4.0 27.7 12.0 33.3 108.9
efficiency: 73.26% | abv: 6.08% | attenuation: 73.77%

journal

date step volume temp gravity
(corrected)
notes
2012-12-02 10:40 EST strike water 8 gl 162 f

20.5 lbs propane (TW=18). +3 for mash-tun compensation = 165.

2012-12-02 10:45 EST dough-in 8 gl 151 f

nailed it.

2012-12-02 11:15 EST mash 151 f
2012-12-02 11:40 EST mash

pH 5.7 @ 16.4°C; recirc started.

2012-12-02 11:45 EST 1st runnings, start
2012-12-02 11:50 EST 1st runnings, end 4 gl 1.087
2012-12-02 11:51 EST sparge 5 gl
2012-12-02 11:56 EST 2nd runnings, start
2012-12-02 12:02 EST 2nd runnings, end 9.5 gl 1.061
2012-12-02 12:03 EST sparge 4 gl
2012-12-02 12:08 EST 3rd runnings, start
2012-12-02 12:14 EST 3rd runnings, end 13 gl 1.052
2012-12-02 12:50 EST boil, start 12 gl

drew off 1gl.

2012-12-02 14:05 EST boil, addition 10 gl

recirc started; 15m hop addition.

2012-12-02 14:20 EST boil, end 10 gl
2012-12-02 14:45 EST boil, end 9.5 gl 66 f 1.061

30.0 lbs propane.

2012-12-02 21:00 EST pitch 50 f

2124 into glass carboy; added a little bit of sterile water to help break up caked yeast on bottom of jar. 2206 into Better Bottle. Temp sensor in BB, set point 50°F.

2012-12-04 08:00 EST primary fermentation 51 f

Krausen visible.

2012-12-09 gravity sample 1.016

Glass: 1.016 @ 56°F; BB: 1.022 @ 53°F.

2012-12-19 lagering

Set point reduced to 32°F.

2012-12-27 lagering

Temperature at 28°F, partial freezing in both carboys; set point raised to 35°F.

2013-01-06 19:00 EST kegged

Glass into keg "A", Better Bottle into keg "C". Back into fermentation fridge @ 35°F.

Glass (A): dryer; cleaner, less character.

BB (C): sweeter, maltier

2013-05-29 21:19 EDT consumed