Opus -2- Hybrid Ale Sour · Brown Blackwell Brewery Burgdorf · Bern Alcohol level6.5 % Buy online Discover the brewery Characteristics Style Sour Color Brown Alcohol level 6.5 % Region Bern Beers from this brewery View all Mercury Saison Blackwell Brewery Farmhouse Ale - Saison Artemis Saison Blackwell Brewery Farmhouse Ale - Saison Apollo Wild IPA Blackwell Brewery IPA - Farmhouse Sauvage Oud Bruin Blackwell Brewery Sour - Flanders Oud Bruin