Stainless steel, non-insulated container of square or circular cross-section with a conical bottom (with a 60 ° inclination) and a volume of 2.9 m3 (for about 1600 kg of malt). It is used as a temporary storage container for one batch of milled grain malt placed directly under the malt mill machine. The hopper serves to the gradual dosing of the malt into the screw conveyor before its transport to the wort brew machine.