Can this product be used to make medicinal tinctures using pga’s? A Can this product be used to make medicinal tinctures using pga’s? LEVO is designed for infusing oil, butter or glycerin. It is not recommended for use with grain alcohol. Related Tags: Decarboxylation, Infuser, LEVO, LEVO 2 Related candiman Can you make vape oil with this? When you dry and activate the herb, does it also heat at the same time?