Just received the product yesterday, so I can't say how it works against keeping frogs away, quality seems good, but I wanted to warn other users who might be thinking about using it to keep frogs out of their pool. I sprayed it around the edge of my pool yesterday afternoon, whether it cleaned (more likely) or just stained the cement is uncertain, but you can see exactly where it was sprayed and where it was not. Does not look good. Washing it down didn't do anything. If it doesn't fade, I'll probably have to pressure wash the entire deck.