I am considering switching from cooler to kettle/herms. From what I have read wort is recirculated from the mash tun through a heat source via a coil and returned. I am considering leaving the wort in the mash tun and recirculating heated water through a coil placed in the mash tun instead...
Homebrew and Handgrenades. Free book library. Lots of experience. Bottle swaps monthly. Call in advance for yeast inventory / delivery dates. Fine line between a store and a club.