This page is about the Fermenter added by Immersive Engineering. For other uses, see Fermenter. The Fermenter is a 3x3x3 multiblock structure (previously its own block) added by Immersive Engineering. It is used to make Ethanol. The Fermenter requires: 6 Steel Scaffoldings 4 Cauldrons 4 Iron Sheetmetal blocks 2 Fluid Pipes 2 Light Engineering