I have a great temperature control kettle (Sage Smart Kettle) which is both fast (3kW) and reasonably precise, to within a couple of deg C. I’ll give the Stagg

I have a great temperature control kettle (Sage Smart Kettle) which is both fast (3kW) and reasonably precise, to within a couple of deg C. I’ll give the Stagg EKG some credit for looking very cool, however.