Geoff Humphrey's BrewBlog > BrewBlogs > Šťastný 13 [{"NAME":"Czech Premium Pale Lager","CATEGORY":"Czech Lager","VERSION":"1","CATEGORY_NUMBER":"03","STYLE_LETTER":"B","STYLE_GUIDE":"BJCP 2021","TYPE":"1","OG_MIN":"1.044","OG_MAX":"1.056","FG_MIN":"1.013","FG_MAX":"1.017","IBU_MIN":"30","IBU_MAX":"45","COLOR_MIN":"3.5","COLOR

Czech Premium Pale Lager
BJCP 2021 – 03B

Batch #:

2023-05

Batch Size:

11.00 gallons

Boil Time:

90 min

Brew Date:

May 14, 2023

Statistics

OG:

1.054 13.3° P

FG:

1.013 3.3° P

Real Extract:

5.1° P

Attenuation:

75.2% Apparent – 61.7% Real

Carbonation:

2.3 volumes

Color:

4.4SRM

IBU:

39.7

BU/GU:

0.74

ABV:

5.4%

ABW:

4.3%

Calories:

179 12 oz

Fermentables

Amount	Fermentable	% of Grist
20.00 pounds	Bohemian Pilsner Weyermann	83.3%
2.00 pounds	Carapils/Carafoam Weyermann	8.3%
1.00 pounds	Acidulated Weyermann	4.2%
1.00 pounds	Carared Weyermann	4.2%
24.00 pounds	Total Fermentable Weight	100%

Hops

Amount	Hop	Time	Use	Form	AA
1.50 ounces	Saaz	90 minutes	First Wort	Pellet	4.9%
1.35 ounces	Magnum	60 minutes	Boil	Pellet	12.1%
1.50 ounces	Saaz	25 minutes	Boil	Pellet	4.9%
1.50 ounces	Saaz	10 minutes	Boil	Pellet	4.9%
2.00 ounces	Saaz	20 minutes	Whirlpool @ 175°F	Pellet	4.9%
7.85 ounces	Total Hop Weight

Non-Fermentables

Amount	Non-Fermentable	Type	Use	Time
6.00 ml	Lactic Acid	Water Agent	Mash	0 minutes
3.26 ml	Lactic Acid	Water Agent	Sparge	0 minutes

Yeasts

Name	Lab/Manufacturer	Product ID	Form
Urkel	Imperial Yeast	L28	Liquid

Equipment Profile Geoff's Electric Equipment

Batch Size:

11.00 gallons

Boil Volume:

12.63 gallons

Boil Time:

90 minutes

Evaporation Rate:

4.75% per hour

Hop Utilization:

100%

Trub Chiller Loss:

0.26 gallons

Mash Profile Decoction, Single - Undermodified Malts - Batch Sparge

Ideal Grain Temp:

68°F

Mash Steps

#	Name	Type	Time	Temp.
1	Protein Rest	Temperature	25 minutes	122° F
2	Saccharification	Decoction	45 minutes	156° F

Fermentation and Aging

Primary:

8 days @ 50° F

Secondary:

2 days @ 62° F

Tertiary:

3 days @ 34° F

General Info

Single decoction volume (from 122 to 156) = 24-26 quarts Spund when at 1 P from target gravity (~ .002 SG).

Šťastný 13

Czech Premium Pale LagerBJCP 2021 – 03B