The clichéd question, ahem ... Whether it is a few thousand dollars of electric kettles, or tens of thousands of hundreds of thousands of bathroom kitchen renovations, you can not avoid the problem of limescale on the surface of the object, note that rust and limescale are different, just bought a few times after the stainless steel kettle boiling dirt is actually limescale, not rust spots, this point needs to be clear. Long-term use of electric kettles, here is my kettle descaling experience...