GUIDES
Step-by-step guides to checking what is actually in a sample. Which reagent suits which substance, how to read a color change, and where reagents stop and purity testing begins.
51 articles
Step-by-step guides to checking what is actually in a sample. Which reagent suits which substance, how to read a color change, and where reagents stop and purity testing begins.
Legal cannabis products carry strict THC limits, and compliance is rarely verified. Here is how to measure the actual concentration.
Counterfeit benzodiazepine pills are common and increasingly contain something else entirely. Here is how to check what you actually have.
Mephedrone has spawned a family of analogues sold interchangeably. Reagents cannot name them all, but here is how far you can get.
Xylazine is turning up in opioid supplies and does not respond to naloxone. The test strips are extremely sensitive, and here is how to use them.
Nitazenes are appearing in fake benzodiazepines and heroin, and they carry a serious overdose risk. Here is how to test for them.
