Colors may vary on a lot of products. The supplier is not able to send a specific color for most items, images are to show style only. NIK Test E - Duquenois-Levine Reagent, Box of 10 Test E is a standalone test for the presumptive identification of Marijuana, Hashish and Hash Oil. A positive result is indicated by no color change after breaking the first ampoule, a dark blue or violet after breaking the second ampoule and a grey upper layer over a violet layer upon breaking the third ampoule.
BRAND : FORENSICS SOURCE PRODUCT_CODE : 844272000944 PRODUCT_CODE_TYPE : UPC
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