Sirchie NARK20021 NARK II Test 21 GHB Reagent, Box of 5

This test is designed to presumptively identify the substance of GHB (Gamma Hydroxybutyrate) only. It will not react with other precursor substances often used for date rape like GBL and 1,4 Butanediol. Packaged with only five (5) individual tests per package, a positive color reaction will appear as a distinct Green.