You can get the EX test kits at Central Station records. They have kits for $50 that do alot of pills, or you can buy single test kits for $6.
Address info as follows:
46 Oxford St, Darlinghurst, NSW 2010
Tel : (02) 9361-5222
You could always stroll to Reachin Records, on Oxford St (Darlinghurst), and pay around $22 for a better Marquis Reagent (E: a quick and simple test) product, and have the option of getting an E2 tester.
B.
Chemical Generation