Gary Johnson designed Og's Grogg Brewtree, for flexibility.
I built/remodeled this from a standard 22'x14' shed, when I started , it had a bunch of old lawnmowers and some old rusty tools in it,
For me, the brewing system had to be in the garage, and easy to move, disassemble, and store.
The pump speed is controlled via a commercial ceiling fan motor speed controller. The PID temperature controller is an Omega CNI16D22-EI, which is a 1/16 DIN controller with two displays, two SSR outputs and an Ethernet interface with embedded web server
How to all-grain batch sparge at home.
How to all-grain brew in a bag (BIAB).