# Slot: optimum_ph URI: [bacteria-archaea-traits:optimum_ph](https://w3id.org/bacteria-archaea-traitsoptimum_ph) ## Domain and Range None -> OPT [String](types/String.md) ## Parents ## Children ## Used by * [Bacteria-archaea-traits](Bacteria-archaea-traits.md) ## Other properties | | | | | --- | --- | --- | | **Examples:** | | Example(value='NA', description=None) |