18 Nov By Seif Ascar, %, ecigs, eliquid, ingredients, juice, percent, propylene glycol, vaping, vaporizers, vegetable glycerin, Leave a comment Vaping Decoded: What Does %PG/%VG Mean? If you are shopping for eliquids online you may notice that a lot of eliquids list a %PG and/or %VG in their specs. Now you can learn what this means and never be confused again!