What does potassium in water mean in practice?
Potassium is a monovalent, highly soluble cation, usually present in smaller amounts than sodium.
When does it matter?
The conductivity meter does not distinguish between potassium and other ions, and its increase may indicate fertilizers or a specific technological process.
Which solutions are related to it?
If suspected, K+ is determined in the laboratory and interpreted together with nitrates, chlorides and the water source.