Clear information.
Fewer unknowns.

Independent MDMA harm-reduction information, with sources you can check and limitations made clear.

Start with the testing guide

Know what a test can tell you.

All testing guides
Reagent tests, explained

What a colour match can mean.

Fentanyl test strips

Instructions, interpretation and limitations.

Compare test-kit providers

Prices, contents and regular direct links.

What is sold as MDMA?

Why appearance cannot establish contents.

A colour is a clue.
It isn’t a conclusion.

A sourced chart reference. Reagents cannot establish purity, dose or safety.

Open reagent lookupSource: Crew: drug testing and checking

Keep the essentials close

Print the checklist. Keep emergency information accessible.

Open the checklist

Read beyond the test result.

Evidence before reassurance.

Sources are linked. Uncertainty is visible. Author details and independent review are pending.

Read the editorial policy