Vodka-Vinegar-Sodium Bicarbonate probably won't do anything to the coil..
Maybe it get's a few pieces of the coil but that's it, since you have a single piece of carbon it's then easy to get more on the coil faster than a new clean one.
Maybe it get's a few pieces of the coil but that's it, since you have a single piece of carbon it's then easy to get more on the coil faster than a new clean one.