> salt crusts are highly reflective I think this will not be a problem, as the salt would be continuously washed away with new water. But the corrosion would b

> salt crusts are highly reflective I think this will not be a problem, as the salt would be continuously washed away with new water. But the corrosion would be a problem indeed. Maybe some plastic/epoxy/glass casing would help, but it might also hinder recyclability.