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GUIDE How to test for Fentanyl?

How to test for Fentanyl (fent): if you intend to use a psychoactive substance first you need a test kit to check purity. Fentanyl can be deadly in doses invisible to human eye and can’t be identified by appearance. Check your sample with fentanyl test strip (fentanyl test kit). 

Fentanyl tester

Single use fentanyl tester available. With every fent test order an additional 1 test strip always included for free. This test helps rule out the presence of fentanyl or fentanyl derrivatives even if other compounds are present.

Fentanyl assay test kit consists of test strips for fentanyl. Fentanyl test kit is best for detecting fentanyl and derrivatives in any sample.

What is fentanyl?

Fentanyl is an extremely potent synthetic opioid with derivatives often from 50 to 100 times stronger than heroin. It is mainly responsible for the opioid epidemic overdoses. Fentanyl can be lethal even in doses invisible to a bare eye. It is often found in counterfeit medicine, opioid and non-opioid research chemicals or even common street drugs like cocaine. When fentanyl is mixed with heroin, cocaine or other substances, it is never evenly mixed. Powder on one side of a baggy can contain no fentanyl, while powder from the other side might contain a lethal dose. It is extremely important to always test each and every dose intended for consumption.

How to detect fentanyl?

Watch how to use fent strips:

Watch how to use fent strips:

How to test for fentanyl?

Use fentanyl test strips (a fentanyl test kit)

Fentanyl test strip instructions – how to use fentanyl test strips

HOW TO TEST A PILL FOR FENTANYL

If testing a benzo/opioid pill, crush one in a plastic baggie and dump out the powder.  Then add 10 drops of water into the baggie and mix well. Dip the test strip no higher than the thick line. Wait 15 seconds. Put the strip away and check in 5 minutes.

HOW TO TEST POWDER FOR FENTANYL

Mix 100 mg of sample in 200 ml of water. Dip the test strip no higher than the thick line. Wait 15 seconds. Put the strip away and check in 5 minutes.

COMPARE RESULTS

1 line = fentanyl, 2 lines = no fentanyl. Faint lines also count. Ignore fentanyl tester results after 5 minutes.

To detect all ingredients and estimate their amount pair reagents with a TLC purity test kit.

Questions?

Check all PRO Test guides how to test drugs.

 

A positive or negative test result does not indicate if a substance is safe. No substance is 100% safe.

 sample that tested negative might still contain a lethal dose of fentanyl or other synthetic opioids.

What changed since this guide was written: nitazenes and xylazine

Reagent testing was designed around a supply that has since changed. Two additions matter more than anything a colour chart can show you, and neither is reliably detected by reagents.

  • Nitazenes (etazene and its analogues) are synthetic opioids now appearing in heroin, in counterfeit benzodiazepine pills and in samples sold as other substances entirely. Some are more potent than fentanyl. Reagents will not tell you they are there. Use nitazene test strips, and read How to detect nitazenes?
  • Xylazine is a veterinary sedative increasingly mixed into opioid supplies. It is not an opioid, so naloxone will not reverse its effects, though naloxone should still be given because xylazine is almost always found alongside an opioid. Use xylazine test strips, and read Test strips for xylazine.
  • Fentanyl remains the most important single check. Use fentanyl test strips.

All three can be checked with one product: Test Strips for Fentanyl, Nitazenes and Xylazine. Carry naloxone, never use alone, and start with a fraction of your usual amount when the source is new.

No test result can tell you a substance is safe. No substance is 100% safe.This article is published for harm reduction purposes. It does not encourage the use of psychoactive substances and does not replace medical advice.