I don't know that there is any study on how long you can keep urine in the refrig. I would keep it there for 24 hours. Any longer and I would through it in the freezer.
killerweed420 Reviewed by killerweed420 on . Drug Test Friday Only Option To Store And Sub I just got called by a company I was trying to get onto and I was staying clean waiting around until I got this roofing job but I'm wanting to go with the company for a more reliable job. My question being: my only option is to have someone piss for me today or tonight and store it and put it in a condom blah blah done that before i'm gonna hold it in front of the heater on my car and have a thermometer but how long after coming out of their body does it need to go in the freezer and how Rating: 5