It's to make sure you can't dilute the urine sample with the toilet water. If you mix it, you will have green urine.
That blue stuff has nothing to do with the drug test. That's just something people use in their toilets to clean it. It stays blue for a few weeks.
So the drug man can tell if you dipped water out of the toilet!
toilet cleaner, or Windex if it is the outside of the toilet bowl.
If there are urine stains in your toilet bowl, pour a generous amount of bleach into the toilet bowl and under the rim, then leave overnight. The next morning, flush the toilet and pour more bleach into the bowl and scrub with a toilet brush.
so you dont take water from the toilet and adulterate or otherwise water down the urine sample
Ammonia is a cleaning agent.
Put it only in the toilet.(Thank YOU!)
There are many reasons why there could be a urine smell in the bathroom. If there is a warm air vent near the toilet, it is possible urine could have gotten into it. If your water comes from a well, the well may be picking up extra minerals. This can cause water in the toilet to smell like urine.
Well, They just sit on the toilet and let the pee (piss, Urine) Come out into the toilet....
Sperm can't come out through urine. Even if it could, you wouldn't be able to catch it from a toilet.
The toilet at least that's where it Should go
DIURETICS
No, rabbit urine is not a carcinogen (cancer causing agent).
A composting latrine with urine separation