I just want to have another thread out here touting how great Bar Keepers Friend (BKF) is for homebrewers.
I have a Blichmann kettle that I have been using for my full boils. After my boils I have have some residue left at the bottom of my kettle that I couldn't remove with my cleaner (beer-brite). But after just a 20 second soak and and quick scrubbing, the bottom of my kettle looks brand new. I highly recommend BKF for cleaning with stainless steel.