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After about 20 hours, what should the freeze precip look like?

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If your freezer is cold enough, you should see crystals forming on the upper sides of the jar within 3-6 hours... You will know. If you dont see anything after 20 hrs- your solution is probably not concentrated enough - if this is the case- reduce half of that volume and freeze again.To reduce quickly ,place naptha/bestine in a pyrex glass dish and cover with 2 layers of cheese cloth( to prevent contams) and place in front of fan. Good luck .
 
Well, I see small crystal like particles on the bottom. Very comparable to ones I've seen so far but hard to tell with solvent still in the jar. But no crystals on the side yet.
 
if the solvents saturated enough and the freezer is cold enough it should be done by now.

i usually go 12 hours, a reuse solvent.

You can fill zip lock bags with water and put them in the feezer, itll help bring the temp down. I like to surround my mason jar with them in the freezer.
 
my crystals fall out of the solution really really quickly.. just blowing on it a whole bunch fall out.. though they are always much smaller that way. i dont even need to use a freezer a lot of the time it seems to fall out fine at room temp and forms way better crystals that way too. thats from using acacia... its interesting how when i pull the shellite out its usually clear.. and just blowing on it slightly all these white clouds start forming

personally i feel a freezer is not neccesary.. at least not in the colder seasons. temp here is usually between 10-15 degrees celsius.. and the spice falls out fine at that temp
 
@bricklaya: I've always wondered about doing extractions in the more wintry climates, and how cool it would be to just set the precipitation container outside in some snow and "naturally" freeze-precip! That's awesome! It would be nice to not have to empty the fridge first! I even thought about somebody in perhaps 1800 could have potentially extracted DMT... provided it was winter! I mean, I don't really know if they could but it was fun to think about.
 
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