What would happen if you spray perfume in a fishtank with fish in it?

Uh well what would happen if I poured bleach down your throat? Nothing good right? WTH is this question even about? Have you done it on accident, or are you planning on doing it? If you are planning on doing it just to see what happens, you need help. If you did it on accident, then all I can say is to rely on your carbon to filter it out, at the same time, do not feed them food that floats on the top. Perfume and other chemicals tend to be lighter than water as they stay towards the top. Anyway, Also I would do a water change. I hope you don't have any LR in there, because if you do you are screwed. Sorry I'm so blunt, but OMG, look at the question.