02 Malt In the Brewery Creek mill ,Mineral PointMalt is grain, in this case barley, that has been soaked in water and sprouted. The grains develop enzymes which will change its starches into sugars when mixed with hot water. Other enzymes help break down proteins. Many many kinds of malt are made by kilning or roasting at various temperatures. Malting is a science you could devote a lifetime to...