Brewer's Friend

Print

Mertsin: Summer lager / wit

157 calories 16.4 g 330 ml
brewer logo
Beer Stats
Method: All Grain
Style: Witbier
Boil Time: 60 min
Batch Size: 21 liters (fermentor volume)
Pre Boil Size: 25.27 liters
Post Boil Size: 22.14 liters
Pre Boil Gravity: 1.045 (recipe based estimate)
Post Boil Gravity: 1.051 (recipe based estimate)
Efficiency: 65% (brew house)
Calories: 157 calories (Per 330ml)
Carbs: 16.4 g (Per 330ml)
Created: Wednesday June 3rd 2026
Similar Recipes

Belgian Wit with coriander, orange, and chamomile

OG: 1.050 FG: 1.011 ABV: 5.1% IBU: 21

Kia Ora Witbier

by Wolf Pack Brewing

OG: 1.061 FG: 1.016 ABV: 5.9% IBU: 24

1.051
1.013
4.9%
22.7
5.0
5.4
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
2.70 kg Viking - Finland - Pale Ale Malt2.7 kg Finland - Pale Ale Malt 36 2 50.5%
1.50 kg Viking - Finland - Wheat Malt1.5 kg Finland - Wheat Malt 38 2 28%
1 kg Viking - Golden Ale Malt1 kg Golden Ale Malt 37 3.5 18.7%
0.15 kg Finland - Cookie Malt0.15 kg Cookie Malt 37 19 2.8%
5.35 kg / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
7 g Nelson Sauvin7 g Nelson Sauvin Hops Pellet 15.1 Boil 45 min 12.32 12.8%
20 g Charles Faram - Styrian Kolibri20 g Styrian Kolibri Hops Pellet 5 Boil 10 min 4.6 36.6%
17.60 g Amarillo17.6 g Amarillo Hops Pellet 8.8 Whirlpool at 100 °C 5 min 3.69 32.2%
10 g Nelson Sauvin10 g Nelson Sauvin Hops Pellet 15.1 Whirlpool at 80 °C 5 min 2.09 18.3%
54.60 g / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
3 g Calcium Chloride (anhydrous) Water Agt Mash 1 hr.
5 g Gypsum Water Agt Mash 1 hr.
1.81 ml Lactic acid Water Agt Mash 1 hr.
 
Yeast
Mangrove Jack - Belgian Wit M21
Amount:
1 Each
Cost:
Attenuation (avg):
72.5%
Flocculation:
Med-Low
Optimum Temp:
18 - 25 °C
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 93 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.2 Volumes
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
80 5 25 75 80 100
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
30 L Temperature 67 °C 67 °C 45 min
Starting Mash Thickness: 4 L/kg
Quick Water Requirements
Water Liters
Strike water volume at mash thickness of 4 L/kg 21.4
Mash volume with grains 24.9
Grain absorption losses -5.4
Remaining sparge water volume (equipment estimates 11.8 L) 10.1
Mash Lauter Tun losses -0.9
Pre boil volume (equipment estimates 27 L) 25.3
Boil off losses -5.7
Hops absorption losses (first wort, boil, aroma) -0.1
Post boil Volume (equipment estimates 21.1 L) 22.1
Hops absorption losses (whirlpool, hop stand) -0.1
WARNING: Exceeded batch size - reduce boil size  
Going into fermentor (equipment estimates 22 L) 21
Total: 31.5  
Equipment Profile Used: System Default
"Mertsin: Summer lager / wit" Witbier beer recipe by KoplaBrewing. All Grain, ABV 4.93%, IBU 22.69, SRM 5.02, Fermentables: (Finland - Pale Ale Malt, Finland - Wheat Malt, Golden Ale Malt, Cookie Malt) Hops: (Nelson Sauvin, Styrian Kolibri, Amarillo) Other: (Calcium Chloride (anhydrous), Gypsum, Lactic acid)
Last Updated and Sharing
 
110
Views
1
Brews
Recipe QR Code
  • Public: Yup, Shared
  • Last Updated: 2026-06-04 18:00 UTC