Sour Brown Dog - Oud Bruin - Flanders Brown Ale Recipe

Sour Brown Dog - Oud Bruin - Flanders Brown Ale Recipe

Dermott Dowling
Brew #2 on the Sours program and its time to brew up an Oud Bruin or Flanders Brown Ale recipe we have affectionately called the 'sour brown dog'.  Another job for the Picobrew Zymatic which is fast becoming our go to machine for sours brewing as its a handy 10L batch size that works well with 10L glass demijohns for secondary conditioning in the shed.

Style Guidance:

  •  A brown, balanced, medium-bodied Flanders Brown Ale/Oud Bruin.
Brew Recipe designed by Dermott Dowling on 3 Oct 2015


  • Style: 17.C Flanders Brown Ale/Oud Bruin
  • OG/FG/IBU: 1.0594 / 1.0143 / 22
  • SRM: 21
  • ABV: 5.9%
  • Water: 11.85 L Water Batch Size 9.46 L (picobrew) double quantities for US 5 gallon / 19 Litre brew length
Sour Brown Dog Pico 2

Gladfield Malt Bill:


Type                           Amount (g)     Alpha Acid %     Time

Crosby Crystal Hops                   40                                           2.7                   60 minutes


Type                          Amount (g)         Use  Time

  • Calcium Chloride   5g (1 tsp)         Mash  60 mins
  • Calcium Sulphate  5g (1 tsp)          Mash  60 mins
  • Irish Moss               1/2 tab              Boil     10 mins
  • Yeast Nutrient         1 capsule          Boil     10 mins


Type              Temp (C)         Time       Style

Dough In                    38.9                        20           Infusion Mash 1                       66.7                          30           Infusion Mash 2                      67.8                          60           Infusion Mash Out                 79.4                           10            Infusion


  • 60 minutes


  • Repitched my house culture club made up of a Lambic Blend and Bottle Dregs from Lambics, Saisons and a Wild Saison and the dregs of a Petrus Oud Bruin into the primary
  • You could get your own off to very a good start with GigaYeast Sour Cherry Funk GB150
Petrus in the Dog Pitching Petrus                


After an extended primary fermentation of 3-4 weeks I racked the beer off into a glass demijohn 10L for secondary fermentation where it has been aging and souring for just on 6 months now and about to be bottled anytime soon. Brown Dog Sick RackingBrown Dog Secondary


Finally got around to bottling after a very long conditioning in the glass demijohn on Sun 30 Oct.  Bulk primed with 105g of white sugar and was tasting very complex and sour but not overpoweringly so at bottling. bottling-the-sour-brown-dog siphon-the-sour-brown-dog sour-brown-dog-bottling-oct-16