I got my new shipment the other day from Gourmet Vapor and since I've been vaping it, I've noticed my lungs are a bit sore, I have a sharp pain in my left shoulder similar to when you have really bad gas (some ppl get it, some don't), and my breathing is more difficult. When I vaped the juices I got from FSUSA I had none of this going on. Both batches were 24mg nic. The ONLY change (other than different companies) was that the ones from FSUSA were 50/50pg/vg and the new batch from GV is 80/20pg/vg. Could just increasing the pg really cause such a dramatic effect? And if so, how much vg would I need to add (I am bad at math) in order to get it down closer to a 50/50 mix? I know adding vg will lower the nic levels, but I am ok with that as long as I feel better.