Well it's a lung infection, so it would be a surprise even to me.

[Rin sounds more fascinated than anything, but it's okay Hibiki! Your hypothetical tree will survive.]

Anyways, there's a lot of uses for ammonia. You've probably seen it in the laundry room without noticing; it's often used to get stains out of fabrics.

What makes it important to this project, though, is that due to its chemical composition it evaporates quickly.