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Gratzer

Created: Monday November 8th 2021
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124 calories 11 g 12 oz
Beer Stats
Method: All Grain
Style: No Profile Selected
Boil Time: 60 min
Batch Size: 11 gallons (fermentor volume)
Pre Boil Size: 13 gallons
Post Boil Size: 6.05 gallons
Pre Boil Gravity: 1.032 (recipe based estimate)
Post Boil Gravity: 1.068 (recipe based estimate)
Efficiency: 68% (brew house)
Calories: 124 calories (Per 12oz)
Carbs: 11 g (Per 12oz)
1.038
1.007
4.0%
30.8
3.1
n/a
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
16 lb Weyermann - Oak Smoked Wheat Malt16 lb Oak Smoked Wheat Malt 38 2 97%
0.50 lb Rice Hulls0.5 lb Rice Hulls 0 0 3%
16.50 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
5 oz Hallertau Mittelfruh5 oz Hallertau Mittelfruh Hops Pellet 5 Boil 20 min 30.8 100%
5 oz / $ 0.00
 
Yeast
Fermentis - Safale - German Ale Yeast K-97
Amount:
2 Each
Cost:
Attenuation (avg):
81%
Flocculation:
High
Optimum Temp:
54 - 77 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 139 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: co2       Amount: 18.26 psi       Temp: 49 °F       CO2 Level: 2.6 Volumes
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
7 gal Infusion -- 152 °F 60 min
7 gal Batch Sparge -- 168 °F 12 min
Starting Mash Thickness: 1.5 qt/lb
Quick Water Requirements
Water Gallons  Quarts
Strike water volume at mash thickness of 1.5 qt/lb 6.19 24.8  
Mash volume with grains (equipment estimates 2.56 g | 10.2 qt) 7.51 30  
Grain absorption losses -2.06 -8.3  
Remaining sparge water volume (equipment estimates 3.86 g | 15.5 qt) 9.13 36.5  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 7.74 g | 31 qt) 13 52  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.19 -0.8  
Post boil Volume 6.05 24.2  
Top off amount 4.95 19.8  
Going into fermentor 11 44  
Total: 15.31 61.3
Equipment Profile Used: System Default

Batch Performance
Efficiency:
Conversion Efficiency N/A
Pre-Boil Efficiency N/A
Ending Kettle Efficiency N/A
Brew House: 72% 26.5 ppg
Wort Volume:
9.5 Gallons
  • Expected 11 Gallons of fermentable wort.
  • Adjust your equipment profile and calibrate your equipment to dial this in.
  • Expected OG: 1.038
  • Actual OG: 1.046
Alcohol and Attenuation:
ABV: 4.52%
  • Apparent Attenuation: 73.9%
  • Actual FG: 1.012
  • Calories per 12oz 124 calories
  • Carbohydrates per 12oz 11 g
Amount Packaged:
Pending - N/A
Requires Packaged log entry with a volume reading.
Latest Brew Log
Date Days Event Gravity Volume pH Temp Updated Comment
11/14/2021 10:22 PM
over 3 years ago 		+0 Mash Complete   5/8/2023 12:12 AM
about 1 year ago 		- 7 gal @ 164 F + 16.7 lb @ 72.0 F = 152 F (1.75 qt/lb)

- Added 7 gal @ 165.7 F

- @ 151.2 F @ 60 min
- @ 148.1 F @ 23 min, pre-stir, @ 150.1 F post
- @ 149.9 F @ 0 min

- got 4.87 gal first runnings

- Added 7 gal @ 198 F on meat thermometer
- actually added 6.25 gals, all that would safely fit in the tilted tun, poured leftover into boil kettle.

- @ 168.0 F @ 12 min

- got 6 gal second runnings

- USE MORE RICE HULLS, we used probably 0.25 lb at most and the mash went fine but the sparge definitely clogged up, causing it to take too long and thus first runnings were boiling while we were still draining, which likely led to low final volume.
11/15/2021 4:08 AM
over 3 years ago 		+1 Brew Day Complete 1.046 9.5 Gallons 11/15/2021 4:10 AM
over 3 years ago 		- Used everything in kettle, as mentioned above the sparge took a long time and thus the first runnings were boiling for a while, we adjusted somewhat by only boiling for a total of 45 minutes, but we still undershot the volume.
12/12/2021 11:56 PM
over 3 years ago 		+28 Fermentation Complete 1.012   12/15/2021 11:57 PM
over 3 years ago
 
Notes

-Largely based on this article (which also suggests variations, like swapping in some Munich or cherry wood smoked malt):
https://beerandbrewing.com/make-your-best-gratzer/

-Ordered from Northern Brewer, to find the smoked wheat malt milled. Other options are possible if we get unmilled, but AIH only had it by the 55 lb. bag.

-The thought behind the yeast was that it was the classically German dry yeast available at Northern Brewer, and we didn't really want the fruity wheat beer flavors of SafAle WB-06.

-2.6 vol. of CO2 recommended by linked article.

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  • Last Updated: 2021-11-15 01:41 UTC