If you ask me I will be sticking at 300ml. Now I am over the 200ml juice and it feels like my vape hits better, but perhaps I'm only just getting accustomed to it. I started out with my old 500ml juice and then switched over to 300ml. Next, you have to know if the vape cartridge is made out of glass. Glass is desirable since it usually lasts much longer. If it's produced from plastic, there's a...