Skip to Contents

How-to & Tips

Find help information for your LG product

Learn about product installation, maintenance, and troubleshooting using our search options.

How do I remove white stains inside a tub?

  • Not Cleaning
  • Not Cleaning
  • Troubleshooting
  • Dishwashers
  • Last Updated 04/01/2017

How do I remove white stains inside a tub?



cause Cause


      ■ White stains inside a dishwasher or on glassware are due to a chemical compound of 
Calcium (Ca) or Magnesium (Mg) in water with detergent.


         white stain



how to fix How to fix




     1. For a dishwasher that can load 12 plate settings with a water softener,
         please check hardness of water with a hardness cartridge enclosed with a manual.


     2. Please set the water softener corresponding to the hardness of water.

         (Please refer to a user's manual for more information)


     3. To remove stains, put 200-300mL of vinegar(or 25g of citric acid) in a small container and place it inside. 
         Run a cycle without dishes.









Article Feedback

1. Overall, how satisfied were you with the usefulness of this article?
1.1 Why did the article not resolve your issue?

Characters left : 500 / 500