This multi-purpose stainless steel boiler is modifed for multi-purpose use: With the well fitted stainless steel false bottom and a muslin bag, it can run as a Brew-In-Bag Mash Tun for all grain mash brewing of Beer. What you need to do is just keep regular stir for the grain in boiler to have homoganized temperature distribution of the grain, by watching the stainless steel dial thermometer. After mashing, this boiler can directly run as a boiler to boil your wort and hop. Also, it can be used for sparge water preparation heater if you already got a mash tun. Beside all purpose for beer brewing, it is ideally use as a boiler for still, for both Still Spirits Turbo 500 still as well as for alembic pot still.