Or if you're desperate, $45 for a gallon of "veterinary use only" propylene glycol at the local Co-Op farm store, treats ketosis in cattle! 
I've tried to buy PG at local pharmacies before, with no luck.. I get funny looks and either a flat "no", or the counter person claims to not know what it is. I get mine from Jack at Happy Vaper generally, and VG from Michael's with their 50% off coupons.
I've tried to buy PG at local pharmacies before, with no luck.. I get funny looks and either a flat "no", or the counter person claims to not know what it is. I get mine from Jack at Happy Vaper generally, and VG from Michael's with their 50% off coupons.