I'm new to using E-cigs, and I recently bought an Itaste vv with a kanger tech t3d tank and I'm using kanger 2.0 dual coil atomizers and I am passed with it so far, but my liquid is turning brown, a light brown, after a short time of using it and I'm curious as to why this might be ie: is it the wrong tank to use with this battery, is the atomizer too strong etc. Any feedback or answer is welcome thank you.