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Harm Reduction New! - Cold Water Extraction Mega Thread & FAQ

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thanks for helping me out, i did not think about my title when i added that part at the bottom about injecting. Pretty dumb.... I believe and practice only safe methods. However you are correct, it is never a super safe thing to inject oxycodone from a pill form, i just thaught i would add it because i had seen a thread on here somwhere when somone said it was ok to inject after doing the standard CWE method, and they never mentioned using a wheel/micron filter, i think this would be the only way to do it if one were to do it. Safety first!
 
histaminejunky said:
Just thought i would share a quicker CWE method for Percocet or Endocet . Granted you need to have the tools available that I have but nevertheless it worked great. So here it is:

I heated 100ML water to 140F, crushed (4) 10/650 Endocet (using a nice marble mortar and pestle set) into to a fine powder.

I Combined powder and water into a small clear glass ramekin (this is a glass container that you usually would see in a restaurant like what your dipping sauce comes in).

Then I stirred slowly for 3 minutes until dissolved.

Next I placed in a 40F fridge for 15 min, after that I moved to a - 6F super freezer for 12 min.

I removed the ramekin from freezer very very carefully without disturbing mixture (as not to stir it up particles that settled to bottom).

Then i used a 15ML lure lock style syringe and carefully sucked all the clear liquid out of the ramekin by holding it steadily, about 2-3millimeters from bottom, (not touching the particles that settled out) this is much faster and cleaner then using a coffee filter or similar.

I then squirted the syringe out into a new clean glass ramekin. I was very careful not to suck up any of the solids from bottom, or knock any debris that formed around the edge of the ramekin.

The whole process only took 35 minutes. =D

The key here is to use a clear glass ramekin so you can see what you’re doing; also the two stage cooling process will yield a better product. This is the best way I have come up with for quick and efficient extraction.

You will have a minimal amount of water and gel like substance left over, I suppose you could argue there is maybe a 5-10% loss but honestly I did not feel any difference in final product, good clean high. :eek:

If you want total purity for IV use, you can pass your solution through a 2micron wheel filter using the lure lock syringe and then it’s safe to inject (however this will add a good 30 min time and several yellow 2uf wheel filters about 6 of them). Hope this was useful for someone please feel free to add or discredit my work as you see fit.
Click to expand...

Red = Wrong doing
Green = Super smart!

google ''supersaturation''. Not stiring the solution once it's really cold is wrong.

Your yield is above 95% I can bet my ass on it, with such a huge water volume.
 
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Dihydrocodeine Tartrate/APAP CWE- how is it done?

hello, i have 7 Remedine 20mg DHC pills crushed to a fine powder.
i have ice cubes and chilled water in the fridge ready to go, but im not sure on the specifics.

I have only done a CWE once, with 8mg co-codamol tablets. worked pretty well.

now, the pills i have each contain 20mg of Dihydrocodeine Tartrate, along with 500mg of Paracetamol(APAP),

in total, 120mg of DHC tartrate and 3500mg (3.5grams) of Paracetamol.
how much water in ml would i need to use for the extraction, and also are these pills safe to use for a CWE?

if anybody has any tips or info on this matter they are greatly appreciated.
thanks in advance :)
 
Sega420 said:
hello, i have 7 Remedine 20mg DHC pills crushed to a fine powder.
i have ice cubes and chilled water in the fridge ready to go, but im not sure on the specifics.

I have only done a CWE once, with 8mg co-codamol tablets. worked pretty well.

now, the pills i have each contain 20mg of Dihydrocodeine Tartrate, along with 500mg of Paracetamol(APAP),

in total, 120mg of DHC tartrate and 3500mg (3.5grams) of Paracetamol.
how much water in ml would i need to use for the extraction, and also are these pills safe to use for a CWE?

if anybody has any tips or info on this matter they are greatly appreciated.
thanks in advance :)
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From http://www.inchem.org/documents/ukpids/ukpids/ukpid09.htm solubility of dihydrocodeine tartrate is 1 in 4.5 in water.

For 120mg of DHC you will therefore need at least 540mg of water which is half a CC :D In other words use as little water as possible while still making sure you get the pills to mix well, an ounce or so.
 
so are you saying i need to use a half cc (half a ml ?!?) or an ounce, of water?
 
used about 34ml of water (just over a fluid ounce). 2 ice cubes. double filtered through a t shirt. (folded 3 times over itself. a fair amount of gunk came out but is still milky. sat 2 more ice cubes in and have left the end solution to sit in the fridge for a half hour.
 
I cwe some oxycodone 5/325 pills the final product was fairly clear and had very little apap taste to it.
I know heat is bad for oxycodone but I then placed my liquid product in a very small stainless steel pot and lightly heated keeping it just steaming with very little boiling. I reduced my liquid to a much smaller amount but when it got room temp it precipitated crystals inside my syringe that I had drawn it into when I filterd my reduced liquid out of the pot.... I was wondering what the crystals were... The liquid had very little apap taste and tasted fairly strong of oxycodone but had these insoluable crystals that only formed when it was cooled .... I figured it was a binder that carried over but just food for thought to those that were thinking of injecting ,( even though I knew better ), like I was.... Maybe somone with more experience or more chemistry knowledge can give me some insight on this

One thing that threw me off was why the mystery crystals carried over when I extracted my pills in ice cold water but formed into crystals after heating and then cooling ....
 
^The precipitate is acetaminophen. With the reduced volume of the solvent less acetaminophen can dissolve into it. The reason it only occurs as it cools is the heat at first makes up for the reduced volume.
 
Sega420 said:
used about 34ml of water (just over a fluid ounce). 2 ice cubes. double filtered through a t shirt. (folded 3 times over itself. a fair amount of gunk came out but is still milky. sat 2 more ice cubes in and have left the end solution to sit in the fridge for a half hour.
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It shouldn't be milky and those two ice cubes are going to double the volume of your solution (i.e. double the acetaminophen content). Try a couple of coffee filters or a dozen sheets of toilet paper (both presoaked to save your drugs although this will increase the volume even more).

edit: fuck sorry for the double post.
 
ach well its in me now, feeling mildy oped. got my usual itchy nose thing.

AH FUCK! its only when ithink about it that i notice it!

srsly, i stop thinking about it and it goes away. think i shall buy some anti histamines for next time.
gonna buy some coffee filters too. im usually very serious when it comes to my drugs but tonight was one of those "fuck it" nights, ya know?

also PepperSocks in PD Social told me about the Syringe Tek method.

get a large syringe (the kind for cough syrup),
place a folded up bit of coffee filter or tissue at the bottom inside the syringe, at the bit the liquids pass through,
put all ur powder in the syringe (why a LARGE one is needed), fill up with cold water.
put the plunger in it and push all the water through the powder.

the end result is a crystal clear, foul tasting alkaloid filled drink =D

gonna do all my CWES like that in future ;)
 
^The key to this method is to use finely and uniformly ground powder otherwise some of the good alkaloids won't be exposed. Aspirin as other ingredient also really helps. Interesting due to the great solubility of the opioids they will build up upon the leading edge of the water (like a filtration column in chemistry), and keep the other wannabe solutes out (including caffeine). If you collect just the first (5ml-10ml) you can get something like %80 recovery with minimal caffeine and aspirin. However this is only if you can get the right flow rate through. Too fast you won't get anything and too slow equilibrium will boot some ops for caf. Pushing ounces of liquid through will be the same as a mix and filtration.
 
Just did CWE on 6 tabs of paracetamol + 15mg codiene (beginners dose). Used tap water and then placed in freezer for a few minutes. I then used a dress shirt as a filter, decided to filter twice to be safe. The substance came out pretty clear. I should have probably added cordial before consuming, worst taste ever.
 
^
Hope you enjoy! I always recommend using ASA over APAP if you know you aren't allergic. Lower solubility so you get less total, plus sandy residue instead of that silty cloggy stuff, plus it's safer in high amounts. Don't know if you can get 15mg of codeine per tab though which is very nice! T3s? Also how much water did you use?
 
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Thanks for the advice! Starting to feel good. It's called Panadine Extra, $8 AUD for 24 tabs. I used 1/4 cup of water, maybe a bit too much?
 
amapola said:
^
Hope you enjoy! I always recommend using ASA over APAP if you know you aren't allergic. Lower solubility so you get less plus sandy residue instead of that silty cloggy stuff, and safer in high amounts. Don't know if you can get 15mg of codeine per tab though which is very nice! T3s? Also how much water did you use?
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what is ASA?

and it's generally best to use no more than 50-100mL of water for cwe's, pending how much you're extracting of course.

i think the figure is around 1.2mL per 1 pill of codeine/apap.
 
edit:
Thanks for the advice! Starting to feel good. It's called Panadine Extra, $8 AUD for 24 tabs. I used 1/4 cup of water, maybe a bit too much?
Click to expand...

15mg OTC in Australia now eh, thought it was 12.5 max. Anywhoo 60ml of water is fine. Even if you have some milkiness you are definitely under a gram of acetaminophen which is perfect (13mg/ml@20C). I'd bet you can get more bang for your buck if you look for large (200+) packs of generic pills even if they have less codeine each. Is saving money harm reduction? I'm actually mostly jealous of the lack of caffeine which is keeping me up and racing all night as we speak...or I type. Though I wouldn't trade it for Kratom here in Canada. Anyways enjoy and if any other question ask or PM :D
 
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no i didn't mention the tabs having 15mg of codeine in them anywhere in my post, it was in the quote i was replying to. you;re right, 12.5mg is the max in OTC products. you can get prescriptions for 30/500mg codeine/apap mixes or pure 30mg codeine tabs.

you never answered my question, what is ASA?
 
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