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Thread Number: 97755
/ Tag: Modern Dishwashers
Anyone know how to remove yellow staining on dishwasher racks? |
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| Post# 1226890 , Reply# 2 3/20/2025 at 14:15 by qsd-dan (West) | ||
A few years ago, I'd tell you to get some detergent that contains bleach (Cascade Fryer Boilout or one of their liquid detergents that contains bleach). None of those are an option now so put 1 cup of bleach in the tub on the main wash cycle and let it go to town. Select the longest wash time with heat if that's an option.
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Post# 1226902 , Reply# 3 3/20/2025 at 17:49 by Combo52  (50 Year Repair Tech Beltsville,Md) |
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Removing yellow stains possible iron from a dishwasher
First you need to see what type of stain it is if it’s iron, you do not want to use any chlorine. It will set it permanently. Also, you should never use more than an eighth of a cup of chlorine bleach in a dishwasher using a cup of bleach could destroy the main seal and any other rubber parts.
I would try iron out or another iron removing product and see if that does anything, in any case it will probably go away after you’ve used the dishwasher 50 to 100 times. Dishwasher cleaners are good for getting the mineral deposits off of course there’s no such thing as soap scum to start with you don’t even use soap in a dishwasher lol John L | ||
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Post# 1226939 , Reply# 4 3/21/2025 at 07:58 by Marky_Mark (From Liverpool. Now living in Palm Springs and Madrid) |
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 It depends on what has caused the discolouration. In addition to what's already been mentioned above, if it's due to tomato causing red/orange stains, the way to remove it is with benzoyl peroxide. Add a tablespoon or two without detergent. This was the active ingredient in Cascade Plastic Booster before it was discontinued. This works great in the dishwasher to remove tomato stains from plastic containers, cutting boards and the dishwasher's plastic surfaces.
Benzoyl peroxide is widely available, including this one from Amazon:
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