Here at GR8 VAPES we use the finest quality mixes for our flavors. Every liquid we sell is made with the highest quality kosher grade VG/PG 50/50 mix. Our team will fine tune any flavor for your specific needs. All of our PG/VG is made in the USA so that we can make sure it meets American health codes and provide the wonderful quality our customers have come to expect. Our customer service team is happy to answer any questions or provide any additional information.