I would suggest sticking it in the freezer (mild chill so it won't freeze to ice), or in the fridge. Keep it in a sealed, tight container like a tupperware and then wrap it in more plastic. The sooner you use that urine, the better the results of your urine or the other person's urine. Source(s):
Regulus (also known as Alpha Leonis) is a trinary star system at coordinates 3.99S 2.81E in Federation space, known as the Regulan system. Regulus is visible from Earth in the constellation of Leo. The system's three stars include Ra and UFC-113, and are the location of at least thirteen planets.
There, the boys were found by a she-wolf called Lupa who nursed them in her lair in Palatine Hill until they were found by a shepherd and his wife, who raised them as shepherds. As adults, Romulus and Remus were two natural born leaders and in a fight killed King Amulius and reinstated Nimitor as king of Alba Longa. Seeking to establish their own settlement, Romulus finally built a wall around the Palatine Hill, the location he had chosen for the founding Rome.