If you get the donation and use it the same day, it will be fine.

Otherwise you'll want to refrigerate it (for up to 2 weeks) or freeze it (for up to a year).
suzieque Reviewed by suzieque on . Passed Urine Test Today. So easy! It's all about substitution. A collector can't watch you pee unless it's Military or Court Ordered! Had my wife pee for me this morning. Took one of those 2 oz Energy Shot bottles and rinsed it out really well. On the way to the lab I picked up a cup of hot water from a gas station. I also brought a thermometer. I dipped the 2 oz bottle into the water for 7 seconds and it read 100 degrees. I then placed the bottle under my scrotum. I wore two pair of tighty whiteys so that it would stay in Rating: 5