5500 gallon fermenter kettles are the largest they could squeeze in the building. July 10, 2014 by Matt Thomas5500 gallon fermenter kettles are the largest they could squeeze in the building. Stranahan’s Distillery Tour About Matt Thomas Matt is an avid writer and explorer, who loves to showcase his home state of Colorado. His favorite place to be is right here in the Centennial State. Previous Post:5500 gallon fermenter kettles are the largest they could squeeze in the building.