Quote Originally Posted by slipknotpsycho
if you drink too much water beofre the test it can tip 'em off it's diluted, and require a retest... that's why.... drinking lots of water and sweating helps flush your body of it.
Yeah I know..that happened to my friend this summer. But like if you didn't drink any water that day...would it matter if you drank a gallon a day for a few days before?