By PlumberDallas.com editorialUpdated

Where scale shows up

Sediment in tank water heaters (the popping noise), scale in tankless heat exchangers, crusty aerators and showerheads, and slow-filling toilets with clogged rim jets.

Maintenance that helps

Flush tank water heaters periodically, descale tankless units according to the manufacturer, and soak aerators and showerheads in vinegar. Check the Dallas Water Utilities water quality report for current hardness figures.

Water softeners

A softener reduces scale but adds cost and maintenance. If you install one, ask about a bypass for outdoor lines and drinking water preferences.

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