Aadje wrote:well you shouldnt clean a teapot either iirc.
or make coffee in it... a visiting friend was once a little irritated by my reaction to quickly swap the clay tea cup she used for tea when she poured coffee into it... a little obsessive perhaps but coffee flavored 1st flush darjeeling is not quite the best combination i can think of.
i think on home barista i once read that the aluminium moka pots need seasoning for several months. it seems that rancid coffee oils are an integral part of its distinct flavor...