To me it sounds like she might of dunked her head under and was clearing it out. My bee likes the water and will swim under sometimes and then blow the water out of his nostrils...but just for a second...almost like a sneeze. (he's weird). My other snake hates the water however she will get some water up her nose sometimes if I have to give her a bath and will do the same thing.

Make sure the temps are around 83-84 cool...and the warm is around 93. If your humidity is at 65% that is great. Probably just getting ready to shed.

Just keep an eye on her to make sure there is no mucus and there is no breathing issues in the future. I have never dealt with an RI but I hear that sometimes it can be very very sneaky and sometimes you don't notice it until it is bad.

That is about it for my knowledge on this though. Please anyone speak up if I have mistold anything.

Good luck!!