Pure meth has a sort of fractal crackback pattern that originates from one point and shoots out. Whatever the additive is though, it will take longer for the ice to return to a solid state than if there were no additives, just pure meth. The pattern that is created is different depending on how pure the meth is and what it is cut with. Try grabbing a clean pipe and melting it down till right before it starts smoking and watch it recrystalize two things to check for here first check out the crack back, it should crack in a feather pattern, with branches etc, if it gets circles or anything else its no bueno. Purity -Crystal meth crackback patterns - any relation to. w i n n e r o f 1 8 p u l i tz e r p r i z e s. S e rv i n g t h e p u b l i c s i n c e 1 878. Obviously some patterns work better against certain defenses. I don't know what 'jump' is, but I have injected meth and coke/crack before. Low-intensity abuse describes a user who is not psychologically addicted to the drug but uses methamphetamine on a casual basis by swallowing or snorting it. Methamphetamine abuse has three patterns: low intensity, binge, and high intensity.
