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#13:  Portland Porter (Robust Porter)
Chris Swingley 
24-Feb-1994

Recipe (for 5 gallons final volume)
5.0 pounds Malt Extract
3.0 pounds Pale Malt
1.0 pounds Crystal Malt, 80L
0.5 pounds Chocolate Malt
2.0 ounces Black Patent Malt

1.25 ounces   Northern Brewer pellet hops, % AA (60 minutes)
0.5 ounces   Cascade pellet hops, % AA (15 minutes)
0.5 ounces   Cascade pellet hops, % AA (1 minutes)


  • Wyeast #1084 (Irish Ale Yeast), pitched at 74°F
  • Starter: 1/2 gallon water, 11 oz DME, 1/4 t yeast nutrient, pitched at 80 F

Water
  • Porland City Water
  • 5.0 gallons  water treated with:
    • 2.0 grams Baking Soda.
    • 2.0 grams Gypsum.
    • 1.0 grams Table Salt.

Mash
  • 5.0 quarts water @ 164°F, grist ratio of 1.2 quarts:pound @ 156°F (Held 60 minutes)

Sparge
  • 2.0 gallons water @ 180°F, drain

Boil
  • Boiled 6.0 gallons for 90 minutes to yield 5.0 gallons wort

Fermentation
  • Primary: plastic, 6 days, 70°F, Added cold water to fill fermenter
  • Secondary: glass, 9 days, 70°F

Packaging
  • Bottled with 0.5 cups dextrose

Properties
Starting Gravity: 1.060 Final Gravity: 1.012
Original Extract: 14.7°plato Apparent Extract: 3.07°plato
Real Extract: 5.28°plato
Alcohol: 6.3% by volume (4.9% by weight)
Apparent Attenuation: 79.2% Mash Efficiency: 65%
Bitterness: 48 IBU Color: 40 SRM
BU:SG: 0.80 BV: 1.86

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