The best set up for me is 2,5 ohm or maximum 3 ohm at 6 volts. Smoke and hit are exactly what I want
I started out with 2.8 Ohm coil at 4.2v... nice. Standard coil and wires from COV. But will try higher voltage just to see.
Yes! thicker vapor at 5.5v and taste is good! I like lots of vapor.