The classic test for Ecstasy ( MDMA ) , also known as EZ Test Marquis. Within seconds you know if you re dealing with ecstasy (MDMA), DXM , 2C-B/C/I, DOB, DOI, methylone , butylone , naphyrone , methamphetamine , amphetamines or opiates. This was the first test for Ecstasy ever to come onto the market (as EZ Test Marquis) and should still serve as your primary test kit. As a rule of thumb that you should use when testing for the presence of ecstasy (MDMA, MDA, MDE): if it doesnt turn black, throw it back! More and more other substances are being sold as Ecstasy, but only MDMA should be considered real ecstasy . These adulterants can have serious side-effects such as nausea , anxiety , insomnia , and in the worst case death. EZ Test is a quick and easy to use test kit that can tell whether a pill or powder contains MDMA , amphetamine, or other psychoactive substances . It is an effective means of adulterants and other potentially harmful substances which are often found in street drugs . EZ Test for XTC shows different color reactions with ecstasy (MDMA ), speed (amphetamine ), 2C-B, 2C-C , 2C-I, DOB, DOI, DXM, Methylone, butylone, Naphyrone and Opiates . This test shows NO reaction with piperazines (mCPP ) and PMMA .