regulates levels of monoatomic ion chemical homeostasis monoatomic ion homeostasis https://github.com/geneontology/go-ontology/issues/24455 ion homeostasis regulation of ion homeostasis GO:2000021 GO:0050801 negative regulation of crystal formation electrolyte homeostasis Any process involved in the maintenance of an internal steady state of monoatomic ions within an organism or cell. Monatomic ions (also called simple ions) are ions consisting of exactly one atom.