White, chalky buildup on faucets, showerheads, or sinks
Soap that does not lather well
Soap scum on tubs, showers, or dishes
Spots or film on glasses and dishes after washing
Stiff, rough, or dull laundry after washing
Dry skin or hair after bathing
Reduced water pressure from mineral buildup in pipes or fixtures
Scale buildup inside kettles, coffee makers, or appliances
A water test strip showing high calcium or magnesium levels
A professional water test confirming hard water