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.
50 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.
Crack or cocaine HCl: does the wash remove the cuts? Cooking cocaine into crack does not clean it. The wash sorts a powder by how well each ingredient…
What is iso-LSD and does it affect LSD purity? Iso-LSD is similar to LSD in structure and name, but lacks the same psychopharmacological profile. It is the same…
What does heroin look like? This article has been translated to English. Heroin appears as brown powder, as white or off-white powder, and as a sticky dark solid,…
Methamphetamine isomers: what is the difference? Methamphetamine can come in two mirror-image forms: d-methamphetamine and l-methamphetamine. The first is the psychoactive stimulant, the other is sold over the…
Does the bleach test work on methamphetamine or cocaine? The bleach test shows you how fast a powder sinks through household bleach and whether it changes color on…
1,955 lab-tested pills. Typically 164 mg of MDMA, 527 over 200 mg, and the same logo spanning a factor of two.
A 0.1 g pocket scale cannot see a 10 mg difference. For anything active in single milligrams, the scale is the harm reduction step.
Two products, one name. A reagent checks what a substance is before you take it. A urine test looks for metabolites after.
Thin layer chromatography separates a sample into every compound in it, and estimates how much. What a reagent cannot do.
Anabolic steroids are the one market with no drug checking service behind it. What a home test finds, and what it misses.
