The ThermoBarrel is a fully insulated, stainless steel 20 gallon mash tun. For decades brewers have been limited to modified plastic coolers as mash tuns. For those brewers looking for an alternative, there's finally an option. The stainless steel serves several benefits. It's long lasting, it prevents any leaching of plastics, and it's easier to clean. The foam insulation of this design gives the tun heat retention comparable or better than most plastic coolers after stabilization.
*Cannot be directly heated from an external source
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