How to prevent cloudy and 'milky' glasses from your dishwasher: 5 simple solutions

Written by Henrik Rothen

Sep.25 - 2023 2:54 PM CET

5 simple solutions to prevent cloudy and 'milky' glasses from your dishwasher.

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If you've ever opened your dishwasher to find your glasses looking cloudy and milky, you're not alone. This common issue can be frustrating, but the good news is that it's easily solvable.

Experts from have shared some insights into why this happens and how to prevent it.

The root causes

According to John Cutts, the founder of, several factors contribute to cloudy glasses. These include hard water, excessive use of dishwashing detergent, or even outdated detergent. Overloading the dishwasher can also be a culprit, as it prevents the water from circulating properly.

Practical Solutions

  1. Avoid Overloading: Overstuffing the dishwasher can block its spray arms, hindering water circulation and effective cleaning. Make sure not to stack plates on top of each other.

  2. Install a Water Softener: Hard water can cause cloudy glasses and also lead to limescale buildup in other appliances. Installing a water softener can improve water quality and prevent corrosion in pipes.

  3. Regular Cleaning: Dishwashers need to be cleaned every two to three months. You can use a cleaning tablet or white vinegar for this purpose.

  4. Check Water Temperature: Make sure your dishwasher is set to the right temperature. Hotter water helps dissolve and remove residues more effectively.

  5. Examine the Detergent: Outdated dishwashing detergent can result in cloudy glasses. It's best to check its expiry date before use. Also, using dishwasher tabs instead of liquid detergent can help you control the amount used in each wash.

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