I had already figured there would be a point when additional flavor and/or nicotine would certainly need to be added to make up for their loss with the addition of more VG. This 'experiment' of mine in mostly for someone with a 'vaping cough' issue. All of my juices are 50/50 PG/VG, but some are different flavor, some with different nic levels (either 10 or 21). Adding more flavor will not make my wallet frown too much, but adding nic (which may not even be necessary) will..