Black Project Releasing Peacemaker Spontaneous Solera Sour in Bottles

Denver, CO — Black Project Spontaneous & Wild Ales is releasing PEACEMAKER, a new spontaneous solera blend on Saturday, May 27, 2016 at 12:00pm.

PEACEMAKER is part of the brewery’s experimental series, which uses a blend of two spontaneous solera fermented beers. The blend is a combination of two base beers, one 100% wheat and the other, a golden ale, made with pilsner malt. Both beers were brewed on Black Project’s 4 BBL system and then cooled in the brewery’s coolship, a custom-built copper 12 BBL vessel designed to cool wort overnight while inoculating with wild yeast and other microbes from the air. In November, the brewery expanded into the space next door to add 100 oak barrels and a new coolship, which sits under an open window with fans overhead to circulate the air. This allows the boiling wort to cool for 12 hours, which inoculates the wort with airborne microbes, including brettanomyces, lactobacillus, pediococcus, and saccharomyces. Once it is cooled, the wort is transferred to stainless-steel totes where it aged and fermented for 8-12 months.

This beer was created using a solera method, a process where unfermented wort is added to finished beer, which causes the active microbes in the beer to referment the new wort, creating an almost identical copy of the original spontaneously fermented beer. When the total volume has finished fermentation, a portion of the beer is then transferred to another container and the new, unfermented wort, is topped off to replace and referment on the existing beer. This is a continuous process that the brewery has used for over three years to create one of a kind beers, as each beer changing slightly from the previous batch.

After the new wort refermented for six more months, on top of the original spontaneous beer, a portion of the finished solera was transferred to Bourbon barrels that Red Fox Cellars, a Palisade, CO winery, used to age cherry wine. The beer aged in the barrel for a month to soak up all the beautiful cherry wine, rich oak character from the wood, and some of the original bourbon notes.

The base beer is funky and tart and pairs perfectly with the sharp flavors of the barrel, while still peeking through with a complex and unique character. This beer is the culmination of years of spontaneous fermentation, barrel aging, and a unique partnership with Red Cox Cellars. Bottles are extremely limited and will be sold on a first come, first served basis. This beer will continue and develop with age so drink fresh or save for later.

PEACEMAKER was named after the production of the Convair B-36 “Peacemaker”, originally created for the United States Air Force by Consolidated Vultee Aircraft Corporation in 1946 as a piston-engine bomber capable of delivering nuclear weapons intercontinentally without refueling, with a range of 10,000 miles and a maximum payload of 87,200 lbs.

The B-36 set the standard for range and payload for subsequent U.S. intercontinental bombers.

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