Glass bottom boat excursion?

[Grammajojo8]

Has anyone done the excursion thru Royal Caribbean where you take a glass bottom boat ride, and then they take you to dolphin discovery and I think a stop at Hell. I know the stop at Hell will be a 10 min stop and I can take that or leave it, but I am wondering how much you see on a glass bottom boat ride and I did hear somewhere (I can't find it now) that they rush you thru dolphin discovery too. Granted, we won't be swimming with the dolphins, but we did think it would be pleasant to watch those who are. I mostly am concerned that you don't really see much with a glass bottom boat. Does anyone have any experience with this? Thank you!