How to make PG/VG E-juice for your Vape Pen

These little nicotine e-juice vape apparatus are really pretty sweet devices that you can easily convert to smoke Thc E-juice.

http://www.youtube.com/watch?v=dGChBwwhMC4

I haven't tried it myself but I will be mixing up a batch for the wife in the next few days so standby for the followup.