Okay, just a comment:
You would have to be stupid to urinate in your fishtank. I'm not trying to diss or offend anyone that has thought about that. Just think about it.
Just to clear the Old Country issue up, I contacted the company and had them email me the MSDS. There are no adulterants. Ingredients are: 3-5% ammonia, 95-97% water. Provided is an image of the MSDS to remove any doubts.