GrainBrew Blog

WHAT IS A COOLSHIP IN A BREWERY?

Centuries back, there was no rapid method to cool down beer. In fact, makers didn't also truly recognize why they needed to cool wort down, considering that Hansen and also Pasteur had yet to find yeast. (Sidenote: wort, or unfermented beer, needs to cool because unloading yeast, a living organism, into virtually two-hundred-degree liquid doesn't bode well for the yeast's future). In those times, the fastest as well as most cost-efficient way to cool down the hot wort was for brewers to pump steaming fluid into big rectangle-shaped pans called coolships. The big, exposed surface area of the vessel cooled down the beer (reasonably) quickly. Improvements in cooling down modern technology-- like the Baudelot colder, and also after that mechanical refrigeration-- created pretty much every maker to trade in their coolships for faster-cooling, more consistent approaches.

Not in Brussels. Amongst the reduced hills of the Pajottenland and also Zenne valley-- where Brussels itself sits-- a tiny team of breweries continued to use coolships. Except they really did not simply use them for cooling; they utilized them to make Lambics. While their wort beinged in the coolship, they wanted it to come to be a house to the ambient yeast as well as microflora floating via the Belgian air. When loaded with this wild, invisible things, makers stuck the beer in barrels for an extensive remain-- approximately three years. This method of fermentation, called "spontaneous fermentation," creates a beer of single taste: sharp, fashionable, and also clearly complicated.

That's what Rob wanted to do, except in Maine. And also note, in September of 2007 (as for he recognized) no one in America had attempted to brew Lambic-style beers; nor did Rob even recognize if it was possible. It got on a trip to Belgium that the idea settled. Created by Sam Calagione of Dogfish Head, Rob signed up with brewery friends Adam Avery (Avery Brewing), Tomme Arthur (Lost Abbey), and also Vinnie Cilurzo (Russian River) for a journey to Belgium. This voyage, as well as their love of the wild yeast Brettanomyces made them the name "The Brett Pack." After the trip, Rob postured the coolship concern to good friends he would certainly made at Cantillon-- a storied manufacturer of Belgian Lambics; they urged him to provide it a shot. Obviously, he and also Jason, our brewmaster, hashed out a plan with the wild hope that perhaps, simply possibly, spontaneous fermentation might happen outside of the land of chocolate and also waffles.

Starting in September, they put the structure, built the shed, obtained the coolship fabricated, and brewed their first set of automatically fermented beer on November 27th. This very same beer became the base for mixtures like Coolship Resurgam, Coolship Red, Coolship Cerise, and also Coolship Balaton. Today, the coolship still stands and also has actually begun its tenth year of developing.

While the quantity of coolship produced is much less than one percent of the brewery's existing total manufacturing, the beer itself is a much bigger part of who we are.

The next message will certainly information facets of the developing procedure that make automatically fermented beers particularly special.

Hundreds of years ago, there was no rapid means to cool down beer. (Sidenote: wort, or unfermented beer, needs to cool down due to the fact that disposing yeast, a living organism, right into nearly two-hundred-degree fluid doesn't bode well for the yeast's future). In those times, the fastest and most economical method to cool down the hot wort was for makers to pump steaming liquid into huge rectangle-shaped pans called coolships. The large, exposed surface area of the vessel cooled down the beer (fairly) promptly.

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