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Mac's - Jagr Lagr 2026

Method: BIAB
Style: Czech Premium Pale Lager
Boil Time: 80 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 6.85 gallons
Post Boil Size: 5.63 gallons
Pre Boil Gravity: 1.039 (recipe based estimate)
Post Boil Gravity: 1.047 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 155 calories (Per 12oz)
Carbs: 17 g (Per 12oz)

Created: Thursday September 25th 2025

Original Gravity:

1.047

Final Gravity:

1.013

ABV (standard):

4.5%

IBU (tinseth):

39.2

SRM (morey):

4.6

Mash pH

5.4

Cost $

n/a

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Fermenting Now

Target 55°F
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Carbs: {{ stats.carbs | number:1 }} g / 12oz

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Device Filter
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Fermentables

Amount	Fermentable	PPG	°L	Bill %
9 lb	Weyermann - Floor-Malted Bohemian Pilsner9 lb Floor-Malted Bohemian Pilsner	36.3	1.9	87.8%
0.50 lb	Weyermann - Carafoam0.5 lb Carafoam	34.5	2.2	4.9%
0.50 lb	Weyermann - Munich Type I0.5 lb Munich Type I	38	6	4.9%
0.25 lb	Weyermann - Melanoidin0.25 lb Melanoidin	34.5	27	2.4%
10.25 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
0.50 oz	Saaz0.5 oz Saaz Hops	Pellet	3.5	Boil	60 min	6.68	8.3%
1 oz	Saaz1 oz Saaz Hops	Pellet	3.5	Boil	45 min	12.27	16.7%
1 oz	Saaz1 oz Saaz Hops	Pellet	3.5	Boil	30 min	10.27	16.7%
1.50 oz	Saaz1.5 oz Saaz Hops	Pellet	3.5	Boil	15 min	9.95	25%
2 oz	Saaz2 oz Saaz Hops	Pellet	3.5	Boil	0 min		33.3%
6 oz / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
6 oz	Saaz (Pellet) 5.9999999862754 oz Saaz (Pellet) Hops		39.17	100%
6 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
6.8 gal		Infusion	70 °F	124 °F	20 min
6.8 gal		Decoction	124 °F	155 °F	40 min

Other Ingredients

Amount	Name	Cost	Type	Use	Time
1 tsp	Lactic acid		Water Agt	Mash	1 hr.

Yeast

Omega Yeast Labs - Pilsner I OYL-101

Amount:	1 Each	Cost:
Attenuation (avg):	74%	Flocculation:	Medium-High
Optimum Temp:	48 - 56 °F	Starter:	Yes
Fermentation Temp:	55 °F	Pitch Rate:	1.5 (M cells / ml / ° P) 365 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: co2 Amount: 9.56 psi Temp: 40 °F CO₂ Level: 2.25 Volumes

Target Water Profile

Chicago IL, USA - 2024 Q4 (75% diluted)

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
9	3	2	4	7	26
Mash Chemistry and Brewing Water Calculator

Notes

20 min decoction boil with 1/3 thick mash

Last Updated and Sharing

Views

Brews

Public: Yup, Shared
Last Updated: 2025-11-10 20:01 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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Mac's - Jagr Lagr 2026

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