So if you are following my other recent posts, Butane is infact poisonous. Well, not exactly. The canning process of the butane inevitably adds a toxic chemical into the can that is unavoidable with butane. Even with 20x refined butane, you will still have the same amount of toxins within the can. So we use Alcohol. If you go to the store, and you buy the cheap 70% Isopropyl rubbing alcohol, (yes, the cheap stuff with the water in it.) Then pour your alcohol into a jar with sodium chloride, (Table salt) and add more than enough to saturate the water so no more will dissolve into the water. Salt will not dissolve in Alcohol, so the salt will bind with the water, and become heavier than the alcohol. Let the salt water and everything become still and all the salt water falls to the bottom of the jar. Then you can siphon or use a turkey baster to get the liquid from the top and you will now have 100% Isopropyl alcohol, AKA Dehydrated Isopropyl. This will pull less polar molecules when you do your initial soak in buds or trim or shake, or hey, sometimes even kiff because this now has no water. just be careful not to pull any saline (fully saturated salt water) in when removing the alcohol off the top.
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The butane isn't the poison this guy is talking about! When anything is canned they actually lubricate the edge of the lid and bttom to allow for ease of closure. Its in all canned foods. I know that in the food industry they use non toxic substances for obvious reasons but others like butane Im not sure what they use?
I have to ask though why all the work for pure chemical free meds?
First...why would you not just buy ISO 99% and for go all that work? You do realize that pure ISO becomes 99% or less as soon as you expose it to air. ISO naturally wicks moisture from the surroundings.
Second...why the water? If you wash your product less you don't pick up any color and you can skip this process all together.
This is my process, I first freeze my dry herb and iso 99% then using my kitchen Aid mixer I put the cold shake and iso in the mixer and let mix for 1 to 1 1/2 minutes, pour the liquid off and add just enough to cover again, mix one minute again. Keeping seperate, I let both jars sit overnight to settle. The next day I filter it carefully (coffee filter) not to disturb the crap at the bottom(I only take so much and leave the gunk and a little iso for the next batch).
Once filtered I pour one jar into a rice cooker and vap it off then remove the slurry and repeat with the second jar. My first batch turns out a nice amber color and the second jar is a little on the green side, but barley.
I wash a 1/4 pound at a time and generally I will pull 8-10g on the first wash and 4-6g with the secongd wash.
Both end up kick ass.
Try it...its simple and very quick and easy. I would put my finish product up against anyone elses any day.