XX-PVP .LARGE CRYSTAL
Research experience: Smooth stimulation, unadulterated, near immediate onset, 30 minute - 40 minute active effects, 15 - 45 minutes lingering effects. Re-dose: After 45 minutes, re-vaporized ~25mg. Same effects experienced. Overall impression of the chemical is that it is clean, comparable to A-PHP at about 90% efficacy… This product is intended for laboratory research purposes only and are not to be used for any other purposes.