The Zerg don't use equipment... all of our structures and technology are purely organic. I'm not a scientist; I don't understand the underlying processes well enough to explain;. My knowledge has always been more immediately practical. I wouldn't know what technology to use in my own universe, much less in this one.

[There's a long pause. She tries to think about this logically.]

Something to separate liquids based on density would be a good start, as would checking for levels of radioactivity. I don't suppose you know any biochemistry experts from universes with high technology levels?

[She's very interested in knowing what exactly this is beyond an ability to make it safe for drinking. Thinking on the long term if she ends up stuck in this place, being able to understand and replicate the effects of the water is an important side goal.]