Who knows the best way to make weed oil?

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My wife has stage four colon cancer with little time left! I’ve made rso before and have seen great videos online. Anyone know how they use to make it in Jamaica in the 80,s. I was just wondering if anyone has any suggestions on how to improve quantity and quality. I’m trying to get the cost down to something we can afford! I’ve found a great source in Canada for iso and I’m trying to use a distiller to recycle the alcohol . Any help or suggestion would be appreciated.
cron