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GRiST x Jasper Yeast Experiment (JY214)

Method: BIAB
Style: Weissbier
Boil Time: 90 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 6.75 gallons
Post Boil Size: 5.75 gallons
Pre Boil Gravity: 1.049 (recipe based estimate)
Post Boil Gravity: 1.058 (recipe based estimate)
Efficiency: 72% (brew house)
Source: GRiST
Calories: 191 calories (Per 12oz)
Carbs: 17.9 g (Per 12oz)

Created: Tuesday April 12th 2022

Original Gravity:

1.058

Final Gravity:

1.012

ABV (standard):

5.9%

IBU (tinseth):

34.1

SRM (morey):

4.2

Mash pH

5.4

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
8.25 lb	Avangard - Pilsner8.25 lb Pilsner	37.3	1.7	70.5%
2.33 lb	Avangard - Vienna2.33 lb Vienna	37.7	3.5	19.9%
18 oz	Briess - Wheat Malt, White18 oz Wheat Malt, White	39.1	2.5	9.6%
11.70 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
7 g	Magnum7 g Magnum Hops	Pellet	16.9	Boil	60 min	14.55	11.7%
11 g	Riwaka11 g Riwaka Hops	Pellet	6	Boil	20 min	4.91	18.3%
9 g	Wakatu9 g Wakatu Hops	Pellet	7.3	Boil	20 min	4.89	15%
18 g	Riwaka18 g Riwaka Hops	Pellet	6	Boil	10 min	4.82	30%
15 g	Wakatu15 g Wakatu Hops	Pellet	7.3	Boil	10 min	4.88	25%
60 g / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
7 g	Magnum (Pellet) 7 g Magnum (Pellet) Hops	14.55	11.7%
29 g	Riwaka (Pellet) 29 g Riwaka (Pellet) Hops	9.73	48.3%
24 g	Wakatu (Pellet) 24 g Wakatu (Pellet) Hops	9.77	40%
60 g / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
6.75 gal		Infusion	152 °F	152 °F	60 min

Other Ingredients

Amount	Name	Type	Use	Time
0.50 g	Calcium Chloride (anhydrous)	Water Agt	Mash	0 min.
1 each	Campden Tablets	Water Agt	Mash	0 min.
2.40 g	Gypsum	Water Agt	Mash	0 min.
5 ml	Lactic acid - 88%	Water Agt	Mash	0 min.
1 each	Whirlfloc	Fining	Boil	10 min.

Yeast

Jasper Yeast - JY214 - German Hefeweizen

Amount:	1 Each	Cost:
Attenuation (avg):	77%	Flocculation:	Low
Optimum Temp:	65 - 75 °F	Starter:	Yes
Fermentation Temp:	70 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 104 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: co2 Temp: 68 °F CO₂ Level: 2.5 Volumes

Target Water Profile

GRiST Yeast Experiment 2022

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
60	12	33	62	62	0
Mash Chemistry and Brewing Water Calculator

Notes

Day -1

Prepare 2L starter
Collect and treat water
Day 0
Brew as per schedule.
Cool to pitching temp (70°F)
Split into two 5G kegs and pitch yeast equally into two kegs
Ferment at 70°F (keg 1 with 15 psi, keg 2 with no pressure)
Day 7 (at target FG)
cold crash
package, close transfer into single 5G keg
Finish, carbonate and serve

https://docs.google.com/document/d/1ip9PBMv8EGxkiSjjZabM1JHdCA7hMYrMyoL5_xS5BJA/edit

Last Updated and Sharing

752

Views

Brews

Public: Yup, Shared
Last Updated: 2022-05-25 18:53 UTC

System Default

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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