Not sure if this has been posted before. I came across this article comparing different methods of prepping cannabis oil and its effectivity in relation to achieving cannabis concentration.
I came across this study hosted at cannabis medicine by Univ of Siena on different methods of prepping...
I came across this study by an Univ of Siena on different methods of prepping Cannabis oil.
The abstract is at
International Association for Cannabis as Medicine
the full study in pdf format at
Homepage
If I read it right, it seems that the simplest way of using an water bath with...