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Lower ABV Lach Sour (5bbl)

Method: All Grain
Style: No Profile Selected
Boil Time: 90 min
Batch Size: 180 gallons (fermentor volume)
Pre Boil Size: 210 gallons
Post Boil Size: 203 gallons
Pre Boil Gravity: 1.045 (recipe based estimate)
Post Boil Gravity: 1.047 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 154 calories (Per 12oz)
Carbs: 14.7 g (Per 12oz)

Created: Monday February 16th 2026

Original Gravity:

1.047

Final Gravity:

1.010

ABV (standard):

4.8%

IBU (tinseth):

9.5

SRM (morey):

2.7

Mash pH

5.2

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
190 lb	Mountain Malt - Mountain Pilsner Base Malt190 lb Mountain Pilsner Base Malt	37.4	1.4	66%
40 lb	Rahr - White Wheat40 lb White Wheat	39.1	3.2	13.9%
55 lb	Corn Sugar - Dextrose55 lb Corn Sugar - Dextrose	42	0.5	19.1%
3 lb	Rice Hulls3 lb Rice Hulls	0	0	1%
288 lbs / $ 0.00

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
2 lb	Hallertau Mittelfruh2 lb Hallertau Mittelfruh Hops		Pellet	2.7	Boil	60 min	9.54	100%
2 lbs / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
2 lb	Hallertau Mittelfruh (Pellet)		9.54	100%
2 lbs / $ 0.00

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
110 gal	Strike	163 °F	154 °F	60 min
140 gal	Sparge	170 °F	168 °F	20 min
Starting Mash Thickness: 1.9 qt/lb Starting Grain Temp: 65 °F

Other Ingredients

Amount	Name	Type	Use	Time
250 g	Lactic acid	Water Agt	Boil	15 min.
100 g	Chalk	Water Agt	Mash	1 hr.
70 g	Calcium Chloride (anhydrous)	Water Agt	Mash	1 hr.
16 g	Magnesium Chloride	Water Agt	Mash	1 hr.
240 g	Lactic acid	Water Agt	Mash	1 hr.

Yeast

- Sour

Amount:	1 Each	Cost:
Attenuation (custom):	70%	Flocculation:	Low
Optimum Temp:	65 - 78 °F	Starter:	No
Fermentation Temp:	80 °F	Pitch Rate:	0.75 (M cells / ml / ° P) 5966 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Target Water Profile

Golden April 2025

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
90	14	40	100	100	60
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-02-26 14:42 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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