Living items · Small appliance care

White scale inside a kettle? Descale according to its manual

White deposits can be mineral scale. Choose vinegar or a proprietary descaler only when your exact kettle instructions allow it.

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Mineral scale builds up at different rates depending on water hardness. De'Longhi's official kettle FAQ gives a vinegar-and-water option for relevant products, but the proportions and heating process must not be copied across all models.

Your try-it-at-home checklist

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Switch off, unplug and let the kettle cool fully. Never immerse the electrical base or connection area.
Find the exact model manual and check which descaler and interval the manufacturer approves.
Only if vinegar is permitted, follow the manual's dilution. One De'Longhi FAQ gives one part vinegar to two parts water, not a universal recipe.
Use only the specified soaking or heating procedure. Keep clear of steam and never heat the kettle empty.
Safely empty the cleaning solution and rinse with fresh water as instructed. If prescribed, boil and discard fresh water for the rinse cycle.
Wipe the outside and power base gently and dry completely before use. Stop using a kettle that leaks, is damaged or operates abnormally.

Your try-it-at-home checklist

Further reading

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