When you use a coil with a resistance of less than 1 ohm is called sub ohm vaping. Sub Ohm vaping is a different style of vaping where you can extract more flavor and better performance from your device and E-Liquid. Pick from our large range of Atomizer Sub Ohm tanks. These atomizers take pre-made coil heads, so no need to build your own. The safest way to enjoy the benefits of Sub Ohm vaping without any risk would be to use a regulated box mod. Do not use a mech. Mod with top cap, because it can be hazardous.