Here at Aussie Detox we are all about harm reduction. 
 
These kits will tell you the purity of your product and identify what they've been cut with.
 
MDMA Purity - A semi-quantitative test
Ketamine - Amphetamine pm[m]a ecstasy
Cocaine Cuts - Levamisole phenacetine ephedrine
LSD - And other indoles
Cocaine Purity - A semi-quantitative test
Heroine Purity - A semi-quantitative test
Fentanyl - Presence Test