Over time you might notice that your dishwasher interior is starting to stain yellow or has brown several brown stains and you're wondering, "How did this happen?" and probably thinking this can't be good for your dishes. In order to remove it we first have to understand what is causing the issues.
What is the cause of my dishwasher yellowing?ehow states what the likely culprit is:
If a yellow film buildup has discolored the inside of your dishwasher or if a yellow film is left on your dishes after completing the wash cycle, the most likely cause is iron or maganese in your water supply. In addition to the discoloration, the excess iron can cause rusting in your dishwasher.Read more : http://www.ehow.com/info_12132183_dishwasher-yellow-inside.html and GE tends to agree:
Gray and/or brown staining on the interior of a dishwasher tub can be a calcium or iron build-up. This is a water condition and may re-appear after cleaning.
How to get rid of the stain.You can follow our how to dishwasher cleaning guide or take a look at these recommendations from several trusted web sources:
Dishwasher Scrub 1/2 - 1 cup Baking Soda (depending upon intensity of stain) 3 Tablespoons Lemon Juice Vinegar (enough to form a thick paste) I began by using my scrubbing brush and was pleased with how easy the brown iron stain was removed from the dishwasher's door. (Crevices and corners took more effort.) Then to clean the sides of the dishwasher, I used my hand to scoop the paste. Something amazing happened. My hand scrubbed better than the brush! Even on flat surfaces, my fingers and palm scrubbed easier than the brush! Who knew?! I proceeded to clean the interior of the dishwasher using my hand, and sometimes a rag, after removing the bottom rack. However, the top rack was not removable, so the top stains remain...Read more at http://www.thissimplehome.com/2012/03/how-to-clean-brown-stains-in-dishwasher.html
Simple Stain Removal Tip
This isn't always the case however, as dishwashers can take on yellow stains. to quickly remove these, first allow your empty machine to fill for a wash. Then add a package of flavored orange crystals (the kind that make instant orange beverages) and allow the wash and rinse cycle to complete. How's that for a kitchen cleaning tip!Read more: http://cleaning.lifetips.com/tip/96666/kitchen-cleaning/kitchen-cleaning-tips/dishwasher-stain-removal.html If you are still having issue consider calling a dishwasher repair service.