Cloudy or hazy glassware is one of two things: limescale deposits from hard water, or etching — a permanent surface damage from too much detergent or heat. Knowing which one you have determines the fix.
Test if it's limescale: rub a small amount of white vinegar on the glass. If it clears up, it's mineral deposits — not permanent.
Fill and use your rinse aid dispenser. This is the single most effective fix for spotty glasses.
Add dishwasher salt if you're in a hard water area — it regenerates the softener and prevents mineral buildup.
Reduce your detergent dose slightly, especially if you have soft water.
Use a 'Glasscare' or lower temperature cycle for wine glasses and delicate items.
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If the cloudiness doesn't clear with vinegar, the glass may be etched — a chemical erosion of the surface. Unfortunately etching is permanent. The fix is prevention: less detergent, lower heat, and always using rinse aid going forward.