The customer service at VapeNW is normally very good, Oly. I am pretty sure that he will take care of you but, do let us know. It is not the tank drinking the juice like that, it is the ceramic coil. One of the trade offs for getting such great flavor I guess. When I first started using the cCells, I joked with others about needing a 10 ml tank.
I started out with an atlantis tank that only held 2mls of liquid. I quickly got the 5 ml tank for it as that would barely last me a few hours.
I didn't order silver i60s from VapeNW I know several others that ordered but don't think that any of them ordered silver.
ETA- We have a solid black and a black with silver on the sides. We have had these for quite awhile though. I feel sure that VapeNW has had several new batches from China since then.