Using Synthetic Urine w/o Access to a Microwave

[dadrone]

SWIM used to be an avid marijuana user. SWIM loved marijuana and SWIM hated alcohol. When SWIM attended college, he developed an affinity for alcohol. Anyways, eventually SWIM graduated and ceased to smoke marijuana because SWIM is now in a business that frowns upon marijuana use. However, SWIM has a very low likeliehood of ever being tested. The only way he might be tested is in a fitness-for-duty evaluation (this is not even a realistic possibility) or in the extreme unlikely scenario that he got into some sort of accident at work.

So SWIM has been relegated to alcohol for some time but still dislikes alcohol for the known reasons - weight gain, hangovers, expense. SWIM likes alcohol to some extent but desperately would like to return to marijuana as it is his drug of choice.

So... on the subject of synthetic urine, of which SWIM has done a considerable amount of reading, how hard is it to heat the urine to an acceptable temperature in the extremely unlikely case that he is in an accident? SWIM would like to carry his synthetic urine daily in an empty cigaratte pack or something of the like. SWIM does not use an heavy machinery or anything like that so nobody should be worried that he would injure anybody. He is an office worker who occasionally visits the work area.