Article Cylindroconical Fermenters Learn how to get the most out of a stainless steel cylindroconical fermenter Written by Chris Colby You'll Also Like Article MEMBERS ONLY Large-Scale Homebrew Systems Homebrew systems have gone BIG. Large three- vessel brewing systems are simply a thing of beauty and come in sizes ranging from 5-gallon (19-L) to 5-barrel. And there are even some large Article MEMBERS ONLY Big Batch BIAB Think brew-in-a-bag (BIAB) is just for small stovetop brewdays? Think again. Here is the equipment and other considerations to brew mega BIAB batches.