The eighth video in our tutorial series covers the properties of PG (Propylene Glycol) and VG (Vegetable Glycerin). Visit us today at http://www.mtbakervapor.com/electronic-cigarette-diy-supplies/ for more details. <br /> <br />Mountain Baker Vapor <br />7159 Guide Meridian Rd <br />Lynden, WA 98264 <br />support@mtbakervapor.com <br />Contact: 1-877-565-VAPE (8273)