There are two very different causes of cloudy glassware, and the test is simple.
Test Which One It Is
Soak a cloudy glass in white vinegar for five minutes.
Fix: If the film clears, it is hard-water deposits; if it stays, it is permanent etching.
Fix Hard-Water Film
Minerals in Dallas water leave a chalky residue.
Fix: Add a rinse aid, use a water-softening additive, and avoid over-dosing detergent.
Prevent Etching
Etching is caused by too much detergent, very soft water, and high heat together.
Fix: Reduce detergent, skip pre-rinsing, and use a gentler cycle for glassware.
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