White film or chalky residue on dishes and inside tub.

Safety First: No electrical work required for this issue.

• Use rinse aid: Fill the rinse aid dispenser and adjust to a higher setting if water is very hard.
• Use proper detergent: Use high-quality dishwasher detergent designed for hard water; avoid using too much.
• Clean mineral buildup: Run a cycle with a dishwasher cleaner or a cup of white vinegar to remove existing scale.
• Consider water softening: If your water is very hard, consider a whole-house or point-of-use water softener.