That is why it is good to know when your body tells you its clean, whether that is 7 days to 120 days. When you say the color does not look right what do you mean? Because lots of people seem to use that stuff and it works for them, but if its for a hospital you most definitely want to have clean urine whether its a family member, friend, whoever or you want that synthetic urine. Good luck to you and let us know how you do.