Blue Foot Print Spray - Forensics Drug Detection With that said

With that said

presumptive testing that catches 25 illicit drugs using no more than two tests

The Mayer's reagent can also be used in drug detection for amphetamines

Detects LSD in Trace and Bulk Amounts

hand-held colorimetric drug detection and drug identification test for benzodiazepine

Blue Foot Print Spray - Forensics Drug Detection With that saidBlue is a unique tool for the development of footprints. Spraying directly on a non porous surface will reveal the pattern of any undisturbed footprint that exists. The pattern will appear blue on a yellow background. It can be used on wooden, stone and linoleum floors and similar surfaces, which makes it an easy tool for footprint visualization, when casting is not an option.