Reagent testing [1]. Dance Safe sells a kit that would last a heavy drug user years [2]. It's not fool-proof by any means and it does require some practice when

Reagent testing [1]. Dance Safe sells a kit that would last a heavy drug user years [2]. It's not fool-proof by any means and it does require some practice when reactions overlap. Ketamine is a relative easy one to test for though, since most of the reagents should not produce a visible reaction. [1] https://en.wikipedia.org/wiki/Reagent_testing https://en.wikipedia.org/wiki/Reagent_testing [2] https://dancesafe.org/product/complete-set-of-all-8-testing-kits/ https://dancesafe.org/product/complete-set-of-all-8-testing-...