OldMedUser
Formerly Known as LabRat
Flurple, I've been going over your ISO method, correct me if I have this right.
Chill the ISO. Dump either, leaf, stems, or buds into chilled ISO for 10-15 mintues, and wait till mix turns a greenish color.
My questions are.....
Do you place the shallow plate on a hot surface during this step, or wait until the the mix turns green? Or do you take the mix after the 10-15 wait, strain the chilled mix into another shallow plate, then place the strained liquid on a hot (100-120F) surface to remove the ISO?
I've been searching for step by step instructions for this process, but so far no luck.
Thanks in advance.
High OldSkoool. Flurple sounds a lot busier than my unemployed ass and as his method is the same as mine in many areas I thought I'd try to answer your questions.
When you put the pot in the cold ISO use a jar or something clear so you can see the colour. Stir or shake it around a bit and as soon as it starts going green a little bit strain it out through a coffee filter. This stuff will the best and be very stony and tasty. Add more ISO and strain the second wash into a different container. I you let the ISO get really green you'll get a better yield but way lower quality. ISO, being an alcohol, will leach out a lot of stuff you don't want in your final product. Like chlorophyll, tars and waxes. I'm doing some right now but using petroleum ether, (naphtha), that I get from distilling camp stove fuel. As a pure hydrocarbon it won't absorb any water soluble stuff from the pot and barely goes green even with heating the solvent. It still goes dark and does pick up the tars too but I'm hoping to reduce the colour and yield by adding finely powdered activated charcoal with a few hours on a magnetic stirrer before final filtering and solvent recovery.
When you put your oil/ISO mix in the plate, (a mixing bowl will work too and is harder to spill), for evaporation, it can just sit until the ISO evaporates but it takes a while. To speed it up you can have a fan blowing across it or put it on top of a pot of simmering water to heat it and speed up evaporation. Add a fan to that and the stuff is gone pretty quick. NO GAS STOVES! A hot plate outside is the best or on top of the stove with the exhaust fan on high. The oil will tend to build up along the sides but gentle stirring or swirling will wash it back in.
I use a distiller to recover most of my solvent then finish it off with the plate. Mine seems to stay liquid so I keep it warm and using a glass syringe just suck it up and put it in vials. I hear that if you keep it on the warm water bath and keep stirring the oil it will stiffen up and end up like Flurple's product so I may just try it with some of this stuff. I like the oil as it works better in my old fashioned vape. Just a hot copper dish with a jar on top so you just toss your goody on there and the oil spreads out and gives a great hit.
I hope that helps.