In an 8oz glass or bigger fill it with water, three cap sizes full of white vinegar and 4 cap sizes of lemon juice.Drink as many cups as you can until your pee is clear. Then drink a lot of water. No caffiene. But you can drink coffee or tea but no soda. Then take vitamin c tablets every four hours to make your pee a yellow tint. You can pass a urine test in two days with most all drugs especially pot, coke, and meth. This has worked for a lot of people.
Mix a box of "sure-gel" to a gallon of water and drink it.
Surgery has a bottle of water in the market cheat that cleans you before surgery try to ask the pharmacy