do most e-cigarettes contain only water and flavoring About (Vapes) | Smoking Tobacco Use Vaping: How E-cigs Work (Infographic)

Its compact size makes it easy to carry, ensuring your cigarettes remain protected wherever you go

It is reported that, on average, activated carbon can adsorb roughly 50 to 33% of its weight in odor

Sampling small quantities from different brands can help you find your favorite

If you've got a test light or other method of limiting the current as outlined in the above comments, I'd unplug the socket and see if the short is still present, from there I'd get ahold of a wiring diagram and see if there's anything else in that circuit that can be disconnected to test - will tell you where in the circuit the short is