White residue on dishwasher interior or glassware — Hard water deposits

What does White residue mean?

Mineral deposits from hard water can accumulate on the dishwasher interior or glassware, making cleaning difficult and potentially damaging the dishwasher over time. A water softener is strongly recommended if your water hardness is 15 grains or more.

• Extremely hard water (15 grains or more).
• Not using rinse aid.
• Poor quality or old detergent.
• Not using a detergent booster/water softener additive.

Click steps to track your progress.

1. 1

   If water hardness is 15 grains or more, consider installing a water softener.

2. 2

   Use a commercial cleaner designed for dishwashers once per month.

3. 3

   Always use a rinse aid for good drying performance.

4. 4

   Always use a high-quality, fresh detergent.

5. 5

   Use a detergent booster/water softener additive designed for dishwashers.