Forget the K-9 urine. Click the attached pic to read the caption.
As for urine storage. Must be used/submitted within 8 hours at room/body temp. Frozen, it will keep up to 1 year and can be thawed and warmed to body temp with warm water. READ THE SUBSTITUTION GUIDELINES thread on the main drug testing board, then PRACTICE!!! Hope that helps. N2
Read this thread for more ideas. http://boards.marihemp.com/boards/thd18x11302.shtml