I drug tested federal parolees (by color of the day) for 8 years
the site below is where the Pros Go, ( 3x money back if you fail )
"Spectrum Labs"
http://www.urineluck.com/
Then there is always this contraption,
This Kit Includes:
1 Whizzinator XXX Strap-On
4 Heat Packs
1 Syringe
1 Freeze Dried Synthetic Urine Sample
oh yeah, it comes in white ,tan, latino?, brown and black