UK Flavour Premium Base Mix Propylene Glycol (PG) 250ml by UK Flavour Login to view price. × Found a better price? Once we have received your request, we will implement the new pricing on your account and send a confirmation via email. This will usually be within minutes, during our office hours. Click here to find more about our Price Beating Service! Submit SKU BC0197 - X0087 CATEGORIES: Wholesale DIY E-Liquid Mixing Premium Grade Propylene Glycol. Perfect for making your own e-liquids. 100% PG.