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St Arnold lawnmower beer (SB)

Method: BIAB
Style: Kölsch
Boil Time: 60 min
Batch Size: 6 gallons (fermentor volume)
Pre Boil Size: 7 gallons
Post Boil Size: 6 gallons
Pre Boil Gravity: 1.038 (recipe based estimate)
Post Boil Gravity: 1.044 (recipe based estimate)
Efficiency: 75% (brew house)
Hop Utilization: 97%
Calories: 143 calories (Per 12oz)
Carbs: 12 g (Per 12oz)

Created: Friday October 17th 2025

Original Gravity:

1.044

Final Gravity:

1.007

ABV (standard):

4.9%

IBU (tinseth):

18.1

SRM (morey):

3.2

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
8.50 lb	Rahr - Standard 2-Row8.5 lb Standard 2-Row	36.8	1.8	89.5%
1 lb	Rahr - White Wheat1 lb White Wheat	39.1	3.2	10.5%
9.50 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
40 g	Hallertau Hersbrucker40 g Hallertau Hersbrucker Hops	Pellet	2.7	First Wort at 212 °F	60 min	14.38	52.6%
12 g	Hallertau Hersbrucker12 g Hallertau Hersbrucker Hops	Pellet	2.7	Boil at 212 °F	30 min	3.01	15.8%
12 g	Hallertau Hersbrucker12 g Hallertau Hersbrucker Hops	Pellet	2.7	Boil at 212 °F	1 min	0.17	15.8%
12 g	Hallertau Hersbrucker12 g Hallertau Hersbrucker Hops	Pellet	2.7	Whirlpool at 180 °F	20 min	0.57	15.8%
76 g / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
76 g	Hallertau Hersbrucker (Pellet)		18.13	100%
76 g / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
8 gal		Temperature	150 °F	150 °F	75 min
		Temperature	150 °F	168 °F	15 min

Yeast

Fermentis - Saflager - German Lager Yeast S-23

Amount:	1 Each	Cost:
Attenuation (avg):	82%	Flocculation:	High
Optimum Temp:	48 - 72 °F	Starter:	No
Fermentation Temp:	63 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 87 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.65 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

Last Updated and Sharing

Views

Brews

Public: Yup, Shared
Last Updated: 2025-10-30 00:11 UTC

Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.

Cost for

Gallons

Cost by

Final Yield

	Cost $	Cost %
Fermentables	$
Steeping Grains (Extract Only)	$
Hops	$
Yeast	$
Other	$
Cost Per Barrel	$ 0.00
Cost Per Pint	$ 0.00
Total Cost	$ 0.00

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