EZ TEST - KIT COCAINE PURITY - 10 TESTSAfter a long period of absence they are finally back; cheaper, more precise and safer, the EZ Test White Kits that identify the purity of cocaine. Once the chemicals in the kit are mixed together and a small sample added, the solution will change colour signifying a positive reaction. This can then be compared to the colour chart included with the kit. EZ Test White is very insensitive to the usual substitutes such as Mannitol, so will not give an