I get that heavy lung feeling if I vape too much VG. I generally vape 100% PG juices and occasionally put a little VG in for more vapor and smoother vapor, but I limit it to about 20-25% VG mix.
VG is very similar in consistency to the glycerin used in stage fog machines. We used to use one here and there and only when there was carpet on the stage. We tried it once on a hardwood stage and we all had to move with baby steps after almost slipping down. I suspect that 100% VG can leave a film on the bronchial tubes and into the lung tissue. That would lower your oxygen levels, I'll bet.
Just for the heck of it, find some all PG juice and vape it for a week or so. If the condition improves, you may have the answer. You can get 50ml bottles of Dekang RY4 from www.hoosierecig.com for $10.99. It's a good PG vape. They sell all flavors of Dekang.
VG is very similar in consistency to the glycerin used in stage fog machines. We used to use one here and there and only when there was carpet on the stage. We tried it once on a hardwood stage and we all had to move with baby steps after almost slipping down. I suspect that 100% VG can leave a film on the bronchial tubes and into the lung tissue. That would lower your oxygen levels, I'll bet.
Just for the heck of it, find some all PG juice and vape it for a week or so. If the condition improves, you may have the answer. You can get 50ml bottles of Dekang RY4 from www.hoosierecig.com for $10.99. It's a good PG vape. They sell all flavors of Dekang.
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