I queried it and was told they "are all like that".
Is that correct? The deposits in both ends of the thing look much more in daylight that in these pics - but the flaky plating is quite bad - not that that affects the functioning of course. I can see green discolouration and even some white on the threads which seems like limescale. Appreciate some expert yes/no on this. tia
Here are some links to pics of the unit:- http://tinypic.com/r/1zr2mbk/8 http://tinypic.com/r/nnru5i/8 http://tinypic.com/r/r2p8h2/8