Quote Originally Posted by lizka4200
does anyone know how long piss stays "fresh"..and is useable..and what is the best way to keep it "good"...
Human urine stays good for up to 8 hours at room temp. When stored in the fridge, it'll last about a week. In the freezer, it'll last up to a year.

You can buy tests online to check for freshness, if you wish. Follow this link:
http://www.meditests.com/drugadtes.html