City Built Brewing Co. Announces Fibonacci-Inspired Stout Series

City Built Brewing Co. in Grand Rapids, Michigan has announced upcoming beers in a new stout series that's inspired by the Fibonacci Sequence. More details on the beer are below.

Grand Rapids, Mich. -- The Fibonacci Sequence is a simple equation—the next number in the series is found by adding the two numbers before it—but strangely, from the lowliest acorn to the arms of the Milky Way galaxy, the sequence reveals itself throughout all of nature’s design. 

It is also the inspiration for a new series of pastry stouts from Grand Rapids’s City Built Brewing Company, the first of which will be released Feb. 22.

When City Built Brewing Company came up with an idea to test the effects of the sequence on beer, divine providence would show how the sequence applied. Adjusting the boil times from three hours to five hours, to 13 hours and finally 21 hours produced interesting results on each stout. 

The first beer in The Fibonacci Sequence, 3 Hour Stout, is a 10.5% ABV imperial stout. It will be available on draft and in cans at $20 per four pack starting Feb. 22. Smooth as velvet, with notes of caramel and coffee, the base stout is perfect without adjuncts involved. 

“The number three is often associated with completion or perfection,” said Ed Collazo, CEO of City Built Brewing Company. “When we see the number three, it is a reminder from the universe of our creative potential and our innately divine nature.”

As the series progresses, so does the ABV. The 5 Hour Stout with coconut and vanilla hits at 13.5% and the 21 Hour Stout at 19%. Though unannounced, Collazo hinted at coveted barrel-aged versions of these beers down the line as well. 

For the art, City Built tapped Kyle DeGroff, a Grand Rapids-based artist and muralist, who helped inspire the concept for the series. His celestial, colorful and psychedelic designs look like Tool album covers come to life. 

3 Hour Stout’s Feb. 22 release date coincides with City Built’s Base Camp Beer & Breakfast Buffet, a prelude to the Michigan Brewers Guild’s Winter Beer Festival. A $25 ticket covers entrance to the event, a Teku logo glass, your first drink, the buffet and first access to purchase cans. Snow on Monroe, a 6% sour wheat with blackberry and black currants, will also be available for purchase at $15 per four pack. 

“I’m excited because we’ve wanted to do pastry stouts since we opened and this is our first go at it,” Collazo said. “These are beers that I like to drink and share with friends. I think our personality is really coming through in the art and beer we’re putting out.”

City Built Brewing invites Media to a 9:00 a.m. tasting and brief introduction of the 3 Hour Stout on Feb. 22. Please email [email protected] to RSVP. Limited seating due to space capacity for event customers. 

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Download Media Kit here.

About City Built Brewing Company 

Cities are where cultures collide. Ideas get remixed. Societal shifts start. Old traditions combine and become new trends. City Built Brewing Company strives to reflect that energy in their innovative beer recipes and methods, and in their Puerto Rican inspired food served in their downtown Grand Rapids taproom. Visit them and learn how they make the strange familiar, and the familiar fresh and bold. Follow on Facebook, Instagram, Twitter.