Teka · Dishwashers
If the interior of the Dishwasher tub becomes stained, it is likely due to using a detergent that contains colorants which can transfer and build up over time.
Click steps to track your progress.
Make sure that the detergent you are using is one without colorant.
Switch to a clear or colorless Dishwasher detergent.
To clean the existing stains, use a damp sponge with a small amount of regular Dishwasher detergent.
For persistent stains, a Dishwasher cleaner may be used, ensuring it is compatible with your appliance.