Yuuuup. . The snap, crackle, pop is 'normal' . . If you are talking bout what I'm thinking bout, lol
Give up on the Vivi or just a change?
My DC
tanks just arrived and I have been using 1 of them for a bit now. . I like it so far. Mine is a little slidey but not to bad but that will prob change when I refill it and the bottom o-ring get nice and wet. I couldn't pass up the
tank due to the price

Mine are the smaller
tanks (I think they look better on the eGo batt's) but the same DC carto's.
Jay