Latest in Substance Testing

Wastewater Drug Data 2026: Xylazine, Carfentanil by Region

In July, the White House drug policy office published something it never had before: a report on what's actually dissolved in America's sewage. The Office of National Drug Control Policy paid Biobot Analytics to test wastewater from 101 counties, home to roughly 18 percent of the country, screening for ten drugs that run from fentanyl...

Medetomidine and a New Wave of Deadly Adulterants

The drug supply is evolving again. Just when public health agencies and harm reductionists were starting to wrap their heads around xylazine and nitazene, a new veterinary sedative has entered the scene: medetomidine. It's stronger, less predictable, and even more dangerous. What Is Medetomidine, and Why Is It in the Fentanyl Supply? Medetomidine is a...

How to Test a DMT Cart

In our last deep dive on DMT cart testing, we delved into the differences in testing DMT vape carts, versus testing DMT powder. We determined that DMT vape carts can—and should—be tested with reagents, in order to confirm the substance present in your vape cart. However, the color change reactions with DMT vape liquid will...

Testing for Ketamine? Avoid These Common Mistakes

Ketamine, the dissociative anesthetic used in medical, therapeutic, and recreational spaces, is only growing in popularity. With the rising prevalence of its use, and the frequency of its presence, the importance of accurately testing ketamine and flagging potential adulterants is greater than ever. Ketamine Drug Test When testing for ketamine, we recommend a package of multiple reagents,...