Notes on Priming Coils What is a Vape Coil? In todays market most e cigs or vape kits feature replaceable 'atomizer heads' also known as coils. These are often just referred to as 'coils' and contain the coil wire and wicking material. The wick soaks up the e-liquid and the coil wire heats the juice up and turns it into vapour. Most coils contain either cotton or ceramics as the wicking material.   What Does Priming a Coil Do? Priming a coil simply means allowing time for e-liquid to fully saturate the wicking material in your coil head. This will...