GUIDES
Step-by-step guides to checking what is actually in a sample. Which reagent suits which substance, how to read a colour change, and where reagents stop and purity testing begins.
69 articles
Step-by-step guides to checking what is actually in a sample. Which reagent suits which substance, how to read a colour change, and where reagents stop and purity testing begins.
What does methamphetamine look like? Methamphetamine is the substance most strongly associated with a particular look, which is large clear or bluish-white shards. That reputation makes the appearance…
What does amphetamine look like? Amphetamine is the one substance in this series where appearance genuinely tracks something, though not purity. It ranges from a wet grey paste…
What does ketamine look like? Ketamine is almost always white. It arrives as a fine powder, as larger translucent shards, or as the flaky crystal left when the…
What does MDMA look like? MDMA reaches people as pressed pills in every colour and shape a press can make, as chunky off-white or brown crystals, and as…
What does cocaine look like? Cocaine turns up as hard shiny flakes, as chalky chunks, and as a fine powder that ranges from bright white to faintly yellow…
How many milligrams is that gummy really? The number printed on an edible describes the batch the maker intended, not the sweet in your hand, and those two…
What the colour of THC oil tells you, and what it does not The colour of THC oil tells you about oxidation and filtering, and almost nothing about…
Cannabinoid testing cards: how to read the result A cannabinoid testing card turns one sample into a column of separate spots, and reading it means knowing which spot…
Fake hash is made from sprayed CBD products The new generation of fake hash circulating in Europe is not an inert piece of rubber anymore. The modern version…
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 colour on…
