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Night Swim Porter clone

214 calories 19.8 g 12 oz
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Beer Stats
Method: All Grain
Style: Robust Porter
Boil Time: 60 min
Batch Size: 5.5 gallons (ending kettle volume)
Pre Boil Size: 7.5 gallons
Pre Boil Gravity: 1.048 (recipe based estimate)
Efficiency: 70% (ending kettle)
Source: Copper Tail Brewing
Calories: 214 calories (Per 12oz)
Carbs: 19.8 g (Per 12oz)
Created: Friday January 19th 2018
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Fermentables
Amount Fermentable Cost PPG °L Bill %
10 lb American - Pilsner10 lb Pilsner 37 1.8 70.9%
2 lb United Kingdom - Maris Otter Pale2 lb Maris Otter Pale 38 3.75 14.2%
1.35 lb German - Carafa II1.35 lb Carafa II 32 425 9.6%
0.25 lb United Kingdom - Crystal 50L0.25 lb Crystal 50L 34 50 1.8%
0.50 lb Flaked Oats0.5 lb Flaked Oats 33 2.2 3.5%
14.10 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
28 g Chinook28 g Chinook Hops Pellet 13 Boil 60 min 45.17 40%
42 g GR Perle42 g GR Perle Hops Pellet 4.5 Boil 5 min 4.68 60%
70 g / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
1 oz Coco Nibs Spice Boil 15 min.
5 g Chalk Water Agt Mash 1 hr.
4 g Calcium Chloride (dihydrate) Water Agt Mash 1 hr.
4 g Gypsum Water Agt Mash 1 hr.
3 g Baking Soda Water Agt Mash 1 hr.
 
Yeast
Fermentis - Safale - American Ale Yeast US-05
Amount:
1 Each
Cost:
Attenuation (avg):
81%
Flocculation:
Medium
Optimum Temp:
54 - 77 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 116 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 0 Volumes
 
Target Water Profile
London (Porter, dark ales)
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
100 5 35 60 50 265
4g gypsum
4g calcium chloride
3g baking soda
5g calcium carbonate
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
Sparge -- 155 °F 60 min
Starting Mash Thickness: 1.25 qt/lb
Quick Water Requirements
Water Gallons  Quarts
Strike water volume at mash thickness of 1.25 qt/lb 4.41 17.6  
Mash volume with grains 5.53 22.1  
Grain absorption losses -1.76 -7.1  
Remaining sparge water volume 5.11 20.4  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 7.09 g | 28.4 qt) 7.5 30  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.09 -0.4  
Post boil volume (equipment estimates 5.91 g | 23.6 qt) 5.5 22  
Estimated amount in fermentor 5.5 22  
Total: 9.51 38.1
Equipment Profile Used: System Default
 
Notes

Just in time for the weekend, here is your recipe for Night Swim Porter:

Pilsner Malt - 70.9%
Marris Otter -14.7%
Carafa - 9.2%
Flaked Oats - 3.3%
Medium Crystal - 1.8%

Mash pH - 5.3 - should have checked this

.01oz/gal of hops @ 60min
.2oz/gal cocoa nibs @15min

.06oz/gal of hops @ 5min

We ferment with Chico ale yeast.

Didn't have columbus, changing to nugget hops - upping from 14g 60 and 28g 5
to 28 60 and 42 5

Not loving the Mt hood hops here, try cascade a little lower amt for dry hops, maybe a little less overall next time.

3rd time I think I used what it says (chinook and perle) came out really good. No dry hops.
Note that CTZ is apparently like columbus so could be a good sub as well.

Also note I used plain 2 row vs. pilsner. Seems fine.

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  • Last Updated: 2026-06-16 20:40 UTC