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 glassware after washing
Laundry that feels stiff, dull, or looks dingy
Dry, itchy skin after bathing
Hair that feels rough, flat, or hard to rinse clean
Low water pressure from mineral buildup in pipes or fixtures
Frequent need to clean mineral deposits from appliances
Water test strips showing high calcium or magnesium levels