Any tips on how to sneak in enough urine for the test? Its pre-employment so I plan to hide it in my bra. But how can I make sure it stays warm enough (90-99 degrees?) and does anybody know about how much urine I should bring in? 30ml I think? Im too afraid I think to use the synthetic urine or the powder stuff advertised on this site.. and I don't trust my body to dilute. This job is literally everything to me, and I can not risk a fail. Its once in a life time. Tips and suggestions please!