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[54] Czech Pilsner V4

Method: BIAB
Style: Bohemian Pilsener
Boil Time: 60 min
Batch Size: 17 liters (fermentor volume)
Pre Boil Size: 23.42 liters
Post Boil Size: 19.12 liters
Pre Boil Gravity: 1.048 (recipe based estimate)
Post Boil Gravity: 1.059 (recipe based estimate)
Efficiency: 62% (brew house)
Source: David Russell
Calories: 9427 calories (Per 17L)
Carbs: 1086.3 g (Per 17L)

Created: Wednesday December 24th 2025

Original Gravity:

1.059

Final Gravity:

1.018

ABV (standard):

5.5%

IBU (tinseth):

89.7

SRM (morey):

10.7

Mash pH

5.8

Cost £

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
5 kg	Weyermann - Floor malted Bohemian Dark5 kg Floor malted Bohemian Dark	37	7	95.2%
0.25 kg	Weyermann - Vienna Malt0.25 kg Vienna Malt	37	3.5	4.8%
5.25 kg / £ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
35 g	Styrian Celia35 g Styrian Celia Hops	Pellet	14.5	Boil at 100 °C	60 min	76.94	41.2%
25 g	Saaz25 g Saaz Hops	Pellet	3.5	Boil at 100 °C	30 min	10.2	29.4%
25 g	Saaz25 g Saaz Hops	Pellet	3.5	Hop Stand at 100 °C	0 min	2.57	29.4%
85 g / £ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
35 g	Styrian Celia (Pellet) 35 g Styrian Celia (Pellet) Hops	76.94	41.2%
50 g	Saaz (Pellet) 50 g Saaz (Pellet) Hops	12.77	58.8%
85 g / £ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
		Infusion	--	65 °C	60 min

Yeast

Mangrove Jack - Californian Lager M54

Amount:	1 Each	Cost:
Attenuation (custom):	68%	Flocculation:	Med-High
Optimum Temp:	18 - 20 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 86 B cells required

£ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.25 Volumes

Target Water Profile

Friars Mews, Lewes, Water Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
0	0	0	0	0	0
Both – Camden tablet – 1/4 Both – Lactic Acid 10ml each The Mash – Calcium Chloride Flakes & Calcium Sulphate – 1.5g of each
Mash Chemistry and Brewing Water Calculator

Notes

BREWGR NOTES

Rate: 2/10

ABV: 5.4%
Yeast: Mangrove Jack's Cali Lager M54
Attenuation: 77-82%
My attenuation: 68%
Yeast aroma: Neutral
Recommended IBU: 25 – 45
IBU achieved: 36
Ferment: 18-20ºC

Recipe: N/A
Achieved: OG: 1059 FG: 1018 ABV: 5.4%

Notes:
– Using Vienna this time
– Added 100g Rice Hulls. 150g Torrified
– Trying Mangrove Jacks M54 a lager yeast that has the ability to ferment at ale temperatures without the associated off flavours. Extended lagering periods are also not required.
– 5kg grain takes 4C off mash water temp.

Do again: No. WAY TOO SOUR. Don’t know why. Yeast?

Recipe Photos

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Public: Yup, Shared
Last Updated: 2026-01-06 15:28 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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