The Walgreens test will register if Creatin levels are too low (which means way to diluted sample, and it will fail) and it is looking for metabolites, if your sample is diluted enough the metaboles will be under 50ppm and you will pass, as long as Creatin levels are high enough, so either buy CREATINE from GNC or Walgreens (roughly 11:00 a can here) follow instructions, or eat a lot of red meat or fish but in either case allow two days and your Creatin level will be high enough to insure a pass, check out the good info on testing link I posted as I put a daily follow-up and I have the income level to afford to run the five to six tests I ran within the four days of that thread. Once again good luck and I hope I helped!