The Jetty Rat (JR)

Method: BIAB
Style: American IPA
Boil Time: 50 min
Batch Size: 22 liters (fermentor volume)
Pre Boil Size: 30 liters
Pre Boil Gravity: 1.033 (recipe based estimate)
Efficiency: 59% (brew house)
Source: Brewdog Punk Clone
Calories: 134 calories (Per 330ml)
Carbs: 13.3 g (Per 330ml)

Created: Sunday January 14th 2018

Original Gravity:

1.044

Final Gravity:

1.010

ABV (standard):

4.5%

IBU (tinseth):

61.6

SRM (morey):

6.6

Mash pH

n/a

Cost $

n/a

Fermentables

Amount	Fermentable	PPG	°L	Bill %
5 kg	United Kingdom - Maris Otter Pale5 kg Maris Otter Pale	38	3.75	95.2%
0.25 kg	United Kingdom - Cara Malt0.25 kg Cara Malt	35	17.5	4.8%
5.25 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
12.50 g	Ahtanum12.5 g Ahtanum Hops	Pellet	4.1	Boil	50 min	6.57	4.6%
20 g	Chinook20 g Chinook Hops	Pellet	11.1	Boil	50 min	28.47	7.3%
12.50 g	Ahtanum12.5 g Ahtanum Hops	Pellet	4.1	Boil	25 min	4.8	4.6%
20 g	Chinook20 g Chinook Hops	Pellet	11.6	Boil	25 min	21.75	7.3%
12.50 g	Ahtanum12.5 g Ahtanum Hops	Pellet	4.1	Boil	0 min		4.6%
27.50 g	Chinook27.5 g Chinook Hops	Pellet	11.6	Boil	0 min		10.1%
12.50 g	Nelson Sauvin12.5 g Nelson Sauvin Hops	Pellet	11.6	Boil	0 min		4.6%
12.50 g	Simcoe12.5 g Simcoe Hops	Pellet	13.1	Boil	0 min		4.6%
37.50 g	Ahtanum37.5 g Ahtanum Hops	Pellet	6	Dry Hop	0 days		13.8%
37.50 g	Cascade37.5 g Cascade Hops	Pellet	7	Dry Hop	0 days		13.8%
47.50 g	Chinook47.5 g Chinook Hops	Pellet	13	Dry Hop	0 days		17.4%
20 g	Nelson Sauvin20 g Nelson Sauvin Hops	Pellet	12.5	Dry Hop	0 days		7.3%
272.50 g / $ 0.00

Show Summary View

Hops Summary

Amount	Variety	IBU	Bill %
37.50 g	Ahtanum (Pellet) 37.5 g Ahtanum (Pellet) Hops	11.37	13.8%
20 g	Chinook (Pellet) 20 g Chinook (Pellet) Hops	28.47	7.3%
47.50 g	Chinook (Pellet) 47.5 g Chinook (Pellet) Hops	21.75	17.4%
12.50 g	Nelson Sauvin (Pellet) 12.5 g Nelson Sauvin (Pellet) Hops		4.6%
12.50 g	Simcoe (Pellet) 12.5 g Simcoe (Pellet) Hops		4.6%
37.50 g	Ahtanum (Pellet) 37.5 g Ahtanum (Pellet) Hops		13.8%
37.50 g	Cascade (Pellet) 37.5 g Cascade (Pellet) Hops		13.8%
47.50 g	Chinook (Pellet) 47.5 g Chinook (Pellet) Hops		17.4%
20 g	Nelson Sauvin (Pellet) 20 g Nelson Sauvin (Pellet) Hops		7.3%
272.50 g / $ 0.00

Other Ingredients

Amount	Name	Type	Use	Time
0.50 tsp	Brewtan B	Water Agt	Mash	1 hr.
0.50 each	Whirlfloc	Fining	Boil	15 min.
0.50 tsp	Brewtan B	Fining	Boil	10 min.
1 tsp	Yeast nutrient	Water Agt	Boil	10 min.

Yeast

Wyeast - American Ale 1056

Amount:	1 Each	Cost:
Attenuation (avg):	75%	Flocculation:	Med-Low
Optimum Temp:	16 - 22 °C	Starter:	No
Fermentation Temp:	20 °C	Pitch Rate:	-

$ 0.00 Yeast Pitch Rate and Starter Calculator

Target Water Profile

Light colored and hoppy

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
75	5	10	50	150	0
5g Gypsum 2g Epsom salt
Mash Chemistry and Brewing Water Calculator

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
30 L	Strike tem. 70C	Temperature	--	66 °C	--

Quick Water Requirements

Water	Liters
Strike water volume (equipment estimates 33.6 L)	36.2
Mash volume with grains (equipment estimates 37 L)	39.6
Grain absorption losses	-5.3
Mash Lauter Tun losses	-0.9
Pre boil volume (equipment estimates 27.4 L)	30
Boil off losses	-4.8
Hops absorption losses (first wort, boil, aroma)	-0.7
Post boil Volume	22
Volume into fermentor	22
Total:	36.2
Equipment Profile Used:	System Default

Notes

16/1/18 - Low Colour Floor Malted Maris Otter used.

24/1/18 - Dry hopped but forgot to add 10g of Amarillo.

29/1/18 - Kegged and drunk for Australia day, perfect session beer that I should make again.

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Last Updated: 2018-01-29 10:04 UTC

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The Jetty Rat (JR)