High Vg E-liquid is perfect for your Sub Ohm kits, The Liquid is Thicker so gives a vape juice with a smoother throat hit and produces more vapour in high power Vape Kits. 
The E-liquid you will find Listed here are Called Shorfills, Named so because they come in a 0mg of Nictotine but have room in the Bottle for those that Like to Add Nic Shots.