Pods are convenient, but they often contain too many phosphates or anti-caking agents. These leave a film when they don’t dissolve fully, especially in short or eco-cycles.
Switch to a powder or gel detergent and measure precisely. You can also toss a tablespoon of citric acid in the bottom of the machine before a cycle—it’s a kitchen alchemy trick that chelates minerals.
Why Do I Have Water Spots On My Dishes at Wayne Morgan blog
Your Water, Your Temperature
Dishwashers need water at 120–140°F (49–60°C) to activate detergent and melt food oils. If your water heater is set lower, you’re creating a warm, ineffective spa for bacteria and residue.
Test your tap temperature. Run the kitchen sink until it’s hot, then start the dishwasher. It’s a small habit that repays you in clarity.