Mash systems are the production
base of wort generally comprising of Recirculating mash
systems such as RIMS (Recirculating Infusion Mash System) or
HERMS (Heat Exchanged Recirculating Mash Systems) .
These are advanced beer brewing systems that use a pump and heating element to maintain a stable mash temperature during brewing. RIMS and HERMS are the two most popular systems, though many other systems exist.