Hard Water Spots & Scale in Wellington

Spots vs. scale

• Spots are what is left when a drop evaporates: any dissolved minerals, including sodium. Wellington's 2025 report lists sodium at 37 ppm.
• Scale is a hard crust of calcium and magnesium that builds up on aerators, shower heads and inside water heaters, and it points to real hardness.

What Wellington says about deposits

The village's Maintain Water Quality page notes that sinks, tubs, shower heads and curtains may never fully dry, and that residual mineral deposits can collect. It suggests cleaning aerators, replacing worn O-rings and keeping drain outlets clean and dry. Simple habits such as squeegeeing glass after showers go a long way.

Keep in mind that Wellington's own guidance treats many indoor deposits as a cleaning and drying issue first, and equipment second.

Where real hardness shows up

• Private wells drawing raw surficial aquifer water.
• Barns and outbuildings on separate well supplies.
• Businesses with heavy hot-water use, where scale in equipment matters.

Softener or conditioner

An ion-exchange softener removes calcium and magnesium. A salt-free conditioner does not remove them but aims to change how scale forms. Compare in salt-free conditioner vs. ion-exchange softener. See water softeners in Wellington and softener cost drivers.

Iron can look like scale

Orange or brown crust is usually iron, not hardness, and it needs a different approach. See orange stains in Wellington.

Water heaters and scale

Scale also forms inside tank water heaters, where hot water drives minerals out of solution. Wellington recommends draining the water heater according to the manufacturer, usually once a year, which also clears sediment. If you drain it and find heavy white flakes, that is useful evidence of hardness; if it is mostly brown sediment, iron or corrosion may be involved. Mention what you see to Jorge during the test.

For existing spots on glass and fixtures, a mild acidic cleaner such as diluted white vinegar usually works on mineral spots; test it first on stone or specialty finishes, which acid can damage. Soak aerators and shower heads to dissolve buildup. If spots come back within days after cleaning, note where and how fast. That pattern, together with a hardness reading, tells you whether a softener, a conditioner, or just a squeegee is the right answer for your bathroom.

Measure before buying

Jorge tests hardness and TDS in one visit and tells you whether your spots come from hardness or simply from drying water. Call, text or WhatsApp (305) 793-5974.

Updated 2026-10-17 · Living Waters · Jorge Canela, Water Quality Specialist