Have you tried leaving something from the outside, too, see how long it takes for the mold to attack it? Does the sink still work, can you examine the water?

[Maybe he should head out there. Exploring the new area sounds like the place to be, but he has people out here to consider and... truth to be told, his MN poisoning makes the thought of joining a group as big as the bunker team feel like rusty nails to his skull.]

I was thinking about making a language database in case our translators break down again.