Not long time. It's best to take your urine to the hospital right away. Just that it can regenerate and breed bacteria in it. will begin a chemical reaction of urine with plastic. Especially if you use drugs, it is better to pass urine immediately. Since the urine of a person who uses drugs, it is very toxic. Before the drug test My friend used drug for a week. I don't remember the name of medication which he used in order to clean his organism of drugs. I know that he bought it in
https://www.theihcc.com/how-to-cheat-a-nicotine-test/. So after he passed the tests, the test showed that he had almost no drug in his body.