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Dishwasher softener salt: six refill steps for compatible models

Only dishwashers equipped with a salt reservoir need this procedure. Check water hardness, use proper dishwasher salt and follow the manufacturer’s cycle guidance after filling.

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Bosch Home Appliances

Original source: Do I Need Dishwasher Salt? | Bosch

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Not every dishwasher needs salt. Bosch says the need depends on the local water hardness and your specific machine, and cautions against table salt.

Your try-it-at-home checklist

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1. Check the owner's manual for a built-in water softener and salt reservoir; never add salt to a machine without one.
2. Determine the local water hardness with a test strip or water supplier and set the machine as the manual specifies.
3. Refill when the salt indicator or manual calls for it. Use dedicated dishwasher salt, not fine table salt.
4. Open the salt cap in the machine floor and use the supplied or recommended funnel according to the manual.
5. Clear any spilled salt and reseal the cap. Bosch advises running a wash cycle directly afterward to remove salt residue that can corrode the interior.
6. Recheck hardness settings and refill indicators. Soft-water areas or models without a reservoir may not need salt.

Original source: Do I Need Dishwasher Salt? | Bosch

Your try-it-at-home checklist

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