This here gunna be some complex chemistry so y'all might wanna done take some here notes or somethin..
You have ketamine as a liquid, you add color/flavor/whatever, you then salt it out and that color/flavor/whatever will carry over to your final product...
You can use food dye, blood, urine, iodine - WHATEVER!
Now I guess since I am no longer in "the business" I can share my biggest trade secret - FLORESCENT KETAMINE! This was easily the most popular item we had in our stock... it looks kinda like a light yellow powder, but under a black light, it GLOWS BRIGHT YELLOW/GREEN!
To do this, simple open a highlighter and pull out the thing inside, stick it in the mouth of the vial (it's a tight fit) and let it set until the ketamine is a yellow color .. proceed as normal ... you can do this with pink, green, blue, and any other color highlighters you get - you can tell the kids you're doing ketamine cut with URAINIUM 238, for that added "umph" ... and yes, this will sell for more then normal powder..
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PACK.MY.BEAK