Any vessel used to hold all-grain brewing ingredients during the mash. Mash tuns range from simple brewing kettles and igloo coolers to combination mash/ lauter tuns equipped with false bottoms and heating devices.
A vessel used to hold the grain and water mixture during the mashing process. Mash tuns come in a variety of styles to accommodate various mashing methods. Usually fitted with false bottoms allow for use as combination mash/lauter tuns.
A large vessel for holding the mash, usually made of copper, brass, or stainless steel. The mash tuns used for infusion mashing are fitted with a perforated false bottom and a system of pipes for drawing off the wort and sparging machinery for washing the spent grains. Mash tuns used for decoction mashing are fitted with a propeller or stirrer at the rounded bottom and have a dome with a sliding door and a chimney for the evaporation of the steam at the top.