If you’re into all-grain brewing a little automation goes a long way. [Tom Hargrave] had his eye on a Recirculating Infusion Mash System (RIMS) but the price tag kept him from pulling the trigger.

With recirculation and a controller running your element, you can step mash to your heart's content, no need for a HERMS. I'd also probably go two-vessel to save space (and money), although that might ...