From one of the forum posts , it seems like the only sure bet is to buy pharmaceutical graded VG/PG, but it seems like most of the online retailers are selling food graded PGs/VGs which aren't 100% pure and they still contain contaminants.
So do you buy food grade or pharma grade, or are you aware of the differences?
If you buy pharma graded VG/PG, where do you buy them, and are they trust worthy?
So do you buy food grade or pharma grade, or are you aware of the differences?
If you buy pharma graded VG/PG, where do you buy them, and are they trust worthy?