What does boron in water mean in practice?
Boron can come from geology, wastewater, and industrial activities, and is typically not included in standard baseline testing.
When does it matter?
Boric acid is poorly retained by some membranes at neutral pH, so the selection of RO requires checking the declared retention.
Which solutions are related to it?
RO membranes are used under appropriate conditions, second stage RO or selective boron resins, always with control analysis.