Hard water
- What you notice
- White scale on faucets and showerheads, spots on glassware, stiff laundry, soap that will not lather.
- Why it happens
- Calcium and magnesium in the water supply leave mineral deposits as water evaporates or is heated.
- First step
- Check your utility's annual water quality report for hardness, or test at the tap. Hardness is a nuisance issue, not a regulated health contaminant.
