I stayed clean for 16 days prior to the test. Two days before the test I started drinking water and cranberry juice. I managed to put down almost three gallons of water, 6 pre-cleanse capsules, and a jug of cranberry juice. I stopped hydrating around 11pm the evening before the test that was scheduled for 10:30 the next morning. I was up at 6:30am and drank one glass of water. At 8:00 I slammed the big bottle of test pure platinum magnum force. I waited the fifteen minutes and refilled with water and casually drank that over the next 45min while urinating as directed at least 3 times. The sample was like a neon yellow! The tester placed the drops on the card and waited the required 5 min max time. I was getting nervous as he kept looking down at the test card. Then he picked it up and went to his supervisor. He explained they would have to send it in for further testing and my pre-employment physical would have to be re-scheduled. They called and told me I failed. I am sending in for a refund on the $50.00 bottle of "Snake Oil". They claim a 300% money back guarantee. We'll see.