Calcareous used in a sentence

Calcareous in a sentence as an adjective

Does anyone have experience with these nozzles and calcareous water?

Ego is like a calcareous growth in the psyche of human beings, and if it is not treated, it creates the kind of society that we have.

And while the vast colonies may die, and their calcareous skeletons may dissolve as the ocean acidifies, the polyps themselves will probably survive fine in different forms in other ecological niches.