Thanks for the welcome and the helpful tips thus far.
Regarding the brewery questions- I set things up initially in 2008 with these brewing vessels/ stainless bench etc etc, and didn't spend a single dollar on brewing equipment for 13years; so it owes me nothing as of about 5 years ago (based on very conservative estimates, and not counting my time of course!) The upgrade consisted of changing the kettle to electric, adding a RIMS tube, electric control panel for better control of mash temps and repeatability (sourced from Grounded brewing in Tennessee), adding a whirlpool fitting to my k