Geoff Humphrey's BrewBlog > BrewBlogs > Absolute Zero [{"NAME":"Specialty IPA","CATEGORY":"IPA","VERSION":"1","CATEGORY_NUMBER":"21","STYLE_LETTER":"B","STYLE_GUIDE":"BJCP 2021","TYPE":"IPA","OG_MIN":"1.050","OG_MAX":"1.085","FG_MIN":"1.008","FG_MAX":"1.018","IBU_MIN":"40","IBU_MAX":"100","COLOR_MIN":"5","COLOR

Specialty IPA
BJCP 2021 – 21B

Batch #:

2023-11

Batch Size:

11.00 gallons

Boil Time:

90 min

Brew Date:

September 9, 2023

Statistics

OG:

1.067 16.4° P

FG:

1.010 2.6° P

Real Extract:

5.1° P

Attenuation:

84.1% Apparent – 68.9% Real

Carbonation:

2.4 volumes

Color:

3.9SRM

IBU:

68.7

BU/GU:

1.03

ABV:

7.5%

ABW:

5.9%

Calories:

218 12 oz

Fermentables

Amount	Fermentable	% of Grist
22.00 pounds	Pilsen Dingemans	75.9%
5.00 pounds	Rice, Flaked Briess	17.2%
1.00 pounds	Acidulated Weyermann	3.4%
1.00 pounds	Dextrose Briess	3.4%
29.00 pounds	Total Fermentable Weight	100%

Hops

Amount	Hop	Time	Use	Form	AA
2.00 ounces	Galaxy	30 minutes	Boil	Pellet	17.1%
1.50 ounces	BRU-1	5 minutes	Boil	Pellet	14.8%
1.50 ounces	Galaxy	5 minutes	Boil	Pellet	17.1%
1.50 ounces	Idaho #7	5 minutes	Boil	Pellet	13.4%
2.50 ounces	Galaxy	20 minutes	Whirlpool @ 170°F	Pellet	17.1%
2.50 ounces	Idaho #7	20 minutes	Whirlpool @ 170°F	Pellet	13.3%
2.00 ounces	BRU-1	20 minutes	Whirlpool @ 170°F	Pellet	14.8%
3.00 ounces	Galaxy	7 days	Dry Hop	Pellet	17.1%
3.00 ounces	Idaho #7	7 days	Dry Hop	Pellet	13.3%
2.50 ounces	BRU-1	7 days	Dry Hop	Pellet	14.8%
22.00 ounces	Total Hop Weight

Non-Fermentables

Amount	Non-Fermentable	Type	Use	Time
4.00 g	Calcium Chloride (CaCl2)	Water Agent	Mash	0 minutes
4.00 g	Epsom Salt (MgSO4)	Water Agent	Mash	0 minutes
6.00 g	Gypsum (CaSO4)	Water Agent	Mash	0 minutes
6.00 ml	Lactic Acid	Water Agent	Mash	0 minutes
2.00 g	Calcium Chloride (CaCl2)	Water Agent	Sparge	0 minutes
2.00 g	Epsom Salt (MgSO4)	Water Agent	Sparge	0 minutes
3.00 g	Gypsum (CaSO4)	Water Agent	Sparge	0 minutes
2.50 ml	Lactic Acid	Water Agent	Sparge	0 minutes

Yeasts

Name	Lab/Manufacturer	Product ID	Form
Saflager Lager	Fermentis	W-34/70	Dry

Equipment Profile Geoff's Electric Equipment

Batch Size:

11.00 gallons

Boil Volume:

12.85 gallons

Boil Time:

90 minutes

Evaporation Rate:

5.83% per hour

Hop Utilization:

100%

Trub Chiller Loss:

0.26 gallons

Mash Profile Unknown

Ideal Grain Temp:

68°F

Mash Steps

#	Name	Type	Time	Temp.
1	Temperature	Temperature	60 minutes	149° F

Fermentation and Aging

Primary:

12 days @ 64° F

Secondary:

3 days @ 68° F

Tertiary:

3 days @ 34° F

General Info

2023 RHBC Fantasy Brewing Draft brew.

Absolute Zero

Specialty IPABJCP 2021 – 21B