thinking about buying the kayfun 3.1 clone for use on my lavatube V2.5. first question is how safe is it to use on the lavatube i know it has circuit protection and stuff but i want to know if it is compatible for use on the lavatube. also what would be the best target coil ohm resistance to build for use with the lavatube ( i vape at ranges from 3.9 to 6 volts). also what is the best wick to use i was looking towards the silica wick. and is anyone using the lavatube with the kayfun rebuildable tank atomizer and if so what are your experiences? also any advice on what gauge wire to use i was thinking 32 AWG. also what is your advice on building good coils i normally use the 3 ohm cartomizers in the tube tank. but am wanting to go to rebuildable.