How to test FENTANYL?

How to test fentanyl: if you intend to use an opioid, first you need a fentanyl test kit to rule out presence of this dangerous adulterant. Fentanyl can be even 100 times more potent than morphine, and therefore is easy to accidentaly overdose on. Fentanyl can be mixed in any kind of sample and can’t be identified by appearance. To detect fentanyl or test for fentanyl analogs it’s recommended to use fentanyl test strips. To test other substances use reagent tests. To detect all ingredients and estimate potency it’s required to use additional purity test kits.


Reagents presumptively indicate PRESENCE, but not PURITY or QUANTITY. Use different reagent tests to improve accuracy and to detect adulterants – 90% of adulterants will react with 1 out of 3 tests, and 95% with 1 out of 5. To detect all ingredients and estimate potency it’s required to use an additional purity test kit
A positive or negative test result does not indicate if the substance is safe. No substance is 100% safe.

TL;DR: Here is an image with a quick cheat sheet how to use the fentanyl test kit, or check out more detailed guide on how to test fentanyl further below.

opioids_reagent_test_kit_color_chart

What test do I need to test fentanyl?

SAMPLE RECOMMENDED TEST KITS
Pure fentanyl
Fentanyl
adulterant

How can I detect fentanyl?

BEFORE USING A FENTANYL TEST STRIP

  • It’s RECOMMENDED to test each and every dose. Because of extreme potency (microgram range) fentanyl is never evenly mixed in.

STEP ONE FOR TESTING FENTANYL POWDER / PILLS / SPICE

  • Dissolve 100-200 mg in at least 125 ml of water (half a cup).
  • Grab a test strip by blue end and insert it into the liquid, no higher than the blue line.
  • Wait until liquid starts visibly moving up the test strip (up to 15 seconds).
  • Put the test strip away on a flat dry surface and read the result in 2 minutes.

HOW TO USE A FENTANYL TEST STRIP?

  • Check test strip results: a single line confirms the presence of fentanyl, while two lines (even faint) rule it out.

Next choose a purity testing kit. It enables you to detect all sample ingredients at once, however still requires reagent tests to identify substances.

fentstrips

Fentanyl test did not react as indicated? Watch out!
All test results are available in our instructions and the TestDrugs app.

FAQ

  • Faint line. Even faint second line result is enough to rule out the presence of fentanyl.
  • Injecting. If you inject you especially need to test each and every dose. It’s best to test the spoon (or cooker) residue every time before use.
  • Speed of the reaction does not indicate quantity nor purity. However, if you are having trouble interpreting your result try using a bigger sample or crushing it better before testing.
  • How many tests can you get from one test kit? A single fentanyl test strip is enough for one test.

Looking where to buy a test kit for fentanyl?