So I'm shitting myself right now....
After my first brewday with using my new 15g Heavy duty kettle I scrubbed it with PBW and one of these:
Then I read this:
"Do not use steel wool or even a stainless steel scrubby; they will cause rust."
http://byo.com/stories/issue/item/1144-metallurgy-for-homebrewers
And a few posts here:
http://www.thebrewingnetwork.com/forum/viewtopic.php?f=&t=27301
Did I screw up my new kettle?
I figured the stainless was harder then the scrubber.