"It would be unsafe to just pinch it shut, the pressure would back everything up. Might I suggest... retreat?"

She's not sure where to go. And certainly not sure if the water will actually get bad for them. But everything else that could've gone wrong today certainly has. This just feels like the kind of day where a sudden acid shower might be a thing that happens.

Fortunately, other than the hole in the wall, there's a doorway about fifty yards, oh, thataway. If they're uncommonly lucky, things might be dry on the other side.