1o-15 ml a day??? WoW, u must have a desk job, wrk from home or have a lot of spare time.... Or maybe just an addict :D either way,,,, THAT'S A LOT, u must be vapin at 6-12 mg, 18-24mg is a official addict of niC... I couldn't imagine puffing that much joose n a day, that's nuTs!