I locate the more robust fentanyl analogues like carfentanyl and ohmfentanyl (which is 5000x M!!) intriguing due to the fact ten grams could final you a few years,but as being a leisure drug they suck in my eyes. Insufflation could be a good way concerning gauge how caustic this material is (ideally it is not excessively caustic). At RCKopen,