Rachel only shrugged, not really knowing what it would be needed for.  She thought about it for a bit.  "Well, I think Drano is a strong acid, it cleans out pipes and everything.  So, maybe..."  When she noticed that Franny was batting her eyes, though, Rachel let her expression go into a simple, understanding smile.  "Oh, okay."  She was willing to play along about that, but now she was definitely curious.<br/><br/>She set her tablet down upon the lab table, moving in a little closer next to Franny.  "What's your name, by the way?"