Often, in the careless pursuit of profit, people will false flag drugs and this can lead to harm or death. Test kits are a harm reduction method that will reduce danger and suffering. Test kits also give person in pursuit of entheogens piece of mind. The marquis reagent is the most common test kit seen on lots. It can discern between MDMA and methylone The Froehde reagent should be used also to discern between a MDXX and MDMA or related substances. [Pill testing, drug testing, drug reagents, Marquis reagents, Froehde reagent, Ecstasy testing, dance safe, bunk police, harm reduction, love.]