Zombie Frost Beer Recipe | All Grain American IPA by Airickson | Brewer's Friend
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Zombie Frost

205 calories 20.8 g 12 oz
Beer Stats
Method: All Grain
Style: American IPA
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 7 gallons
Post Boil Size: 5.5 gallons
Pre Boil Gravity: 1.049 (recipe based estimate)
Post Boil Gravity: 1.062 (recipe based estimate)
Efficiency: 72% (brew house)
Hop Utilization: 89%
Calories: 205 calories (Per 12oz)
Carbs: 20.8 g (Per 12oz)
Created: Saturday March 28th 2026
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Fermentables
Amount Fermentable Cost PPG °L Bill %
10.50 lb Rahr - Standard 2-Row10.5 lb Standard 2-Row 36.8 1.8 80.8%
1.50 lb Bestmalz - BEST Munich1.5 lb BEST Munich 37 6.3 11.5%
0.50 lb Briess - Carapils Malt0.5 lb Carapils Malt 34.5 1.5 3.8%
0.50 lb United Kingdom - Crystal 45L0.5 lb Crystal 45L 34 45 3.8%
13 lbs / 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.50 oz Northern Brewer - Citra0.5 oz Citra Hops Pellet 12.6 Boil 60 min 19.55 7.7%
2 oz Northern Brewer - Citra2 oz Citra Hops Pellet 12.6 Boil 5 min 15.59 30.8%
2 oz Yakima Chief Hops - Citra LupuLN2 (Cryo)2 oz Citra LupuLN2 (Cryo) Hops Lupulin Pellet 22.5 Hop Stand 10 min 30.64 30.8%
2 oz Yakima Chief Hops - Citra LupuLN2 (Cryo)2 oz Citra LupuLN2 (Cryo) Hops Lupulin Pellet 22.5 Dry Hop 7 days 30.8%
6.50 oz / 0.00
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
6.5 gal Sacch rest Strike 162 °F 152 °F 60 min
Mashout Temperature 152 °F 170 °F 10 min
2.5 gal Sparge Sparge -- 170 °F --
Starting Mash Thickness: 1.75 qt/lb
Starting Grain Temp: 65 °F
 
Other Ingredients
Amount Name Cost Type Use Time
2.20 tsp Gypsum Water Agt Mash 0 min.
0.70 tsp Calcium Chloride (dihydrate) Water Agt Mash 0 min.
 
Yeast
Fermentis - Safale - English Ale Yeast S-04
Amount:
1 Each
Cost:
Attenuation (avg):
75%
Flocculation:
High
Optimum Temp:
54 - 77 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 111 B cells required
0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.25 Volumes
 
Target Water Profile
Light colored and hoppy
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
75 5 10 50 150 0
Mash Chemistry and Brewing Water Calculator
 
Notes

Single-Infusion Citra IPA – Brew Day Checklist (Plain Text)
Batch size: ~5–5.5 gal into fermenter
Target OG: 1.060
Grain: 13 lb (at ~65 °F)
Yeast: Safale S‑04 (dry)

MASH & LAUTER

Heat strike water

Heat ~6.5 gal water to 162 °F.

Dough-in

Add 13 lb grain to strike water.

Stir well, target mash temp 152 °F.

Saccharification rest

Hold mash at 152 °F for 60 minutes.

Stir and check temp once or twice.

Mashout

Raise mash to 170 °F.

Hold 10 minutes.

Vorlauf and first runnings

Vorlauf until clear, then run off to kettle.

Expect roughly 4.9 gal first runnings (approximate).

Sparge

Sparge water at 170 °F from your secondary kettle.

Sparge with about 1.6–2.1 gal to reach 6.5–7.0 gal pre-boil volume.

BOIL (60 MINUTES TOTAL)
Start 60-minute boil once you reach full rolling boil.

At 60 minutes remaining (start of boil):

Add 0.5 oz Citra pellets (12.6% AA).

At 15 minutes remaining:

Add 0.5 tsp Vintner’s Select white yeast nutrient (total for batch).

Add 1 tsp Irish moss (total for batch).

At 10 minutes remaining:

Add 2.0 oz Citra pellets (12.6% AA).

End of boil:

Finish full 60 minutes.

HOP STAND / WHIRLPOOL

Flameout

Turn off heat at end of boil.

Cover kettle (lid mostly on).

Cool to hop-stand temperature

Let wort cool naturally (no chiller yet) down to about 170 °F.

Hop stand addition

At ~170 °F, add 2.0 oz Cryo Citra (22.5% AA).

Gently whirlpool and let stand for 10 minutes with the lid mostly on.

Chill and transfer

After 10-minute stand, run wort through plate chiller into sanitized fermenter.

Aim for pitching temperature in the mid‑60s °F.

FERMENTATION

Oxygenate/aerate wort as usual.

Pitch 1 packet of Safale S‑04 (rehydrate or direct pitch per your habit).

Ferment around 64–66 °F beer temperature, allowing a slight rise near the end.

Let fermentation run about 2 weeks, confirming stable final gravity.

KEGGING & DRY HOP

Prepare keg

Clean and sanitize keg thoroughly.

Purge keg with CO₂ as much as possible.

Add dry hops to keg

Place 2.0 oz Cryo Citra (22.5% AA) in a sanitized stainless hop tube or bag (weighted if needed).

Put hop tube/bag into keg.

Transfer beer

Transfer from primary fermenter to purged keg carefully, minimizing splashing and oxygen exposure.

Chill and carbonate

Put keg in kegerator/keezer and apply CO₂ to your preferred carbonation level.

Leave hop tube/bag in the keg for the duration; main extraction occurs in the first 3–5 days cold, but it can remain in.

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  • Last Updated: 2026-03-28 16:58 UTC
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