Bought a cheap 5 gallon kettle from my LHBS. Don't think it was meant for an electric stove. Here's a [ame="http://youtu.be/MNhh4FSy2xk"]video[/ame] of 1.5 gallons of water at about 150 degrees. It does the same with higher volume. I've never seen a stainless pot, bump like this.