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My Bosch Dishwasher grows mold on dishes

10,594 1,820 July 28, 2011 at 04:10 PM
Maybe I'm clueless about dishwashers but I find this to be odd. If I put dishes in my dishwasher that are damp, in a day or two there will be a good amount of mold growing on the dish. Is this some sort of problem caused by something that I can fix? I understand that if I put a dish in the thing for a week or so it could grow something on the food but even if i rinse the dish quite well and stick that dish in, it seems that in no more than two days i have to re-rinse the dish to get the mold off.

i would just run the dishwasher to get the mold but the mold seems to get crusty and stick on the dishes if i don't rinse that off first (it does fine with food though).

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#2
mold needs food to grow on, meaning the plates aren't exactly clean. a dishwasher is an ideal place for mold to grow - dark, humid, probably warm.
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#3
but the amount that grows so quickly is what confuses me. do most people run the dishwasher within 24 hours of putting any dishes in it? I'm the only person in my place so it takes me about three or four days before I get a load large enough for me to want to run it. but as it is i rinse my dishes and leave them on the counter until i have enough to run a load then i fill the dishwasher.
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#4
Either:

1. run the dishwasher sooner after putting in the dishes
2. keep the dirty dishes out of the dishwasher until it's time to run the dishwasher
3. leave the dishwasher door open, either while the dirty dishes are in there or after a cycle.
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#5
We also have a Bosch dishwasher. Although we USUALLY run the dishwasher almost daily, there are definitely times that we haven't run it for a few days. I've never seen mold grow as quickly as you're saying. Maybe after a week would be my guess, but I don't recall ever seeing mold. We've had the Bosch for 6-ish years now.
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#6
normally you either run it within 24 hours or run a "rinse" cycle to prevent mold from growing.. the same would happen in any dishwasher
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#7
I would run some dishwasher cleaner though it empty, with maybe some bleach too to kill off anything in there. Maybe try leaving the door cracked too to let moisture out.
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#8
we always leave the dw door open just a little bit.
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#9
have you tried usin a different detergent?
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#10
Check your food grinder at the bottom there may be stuff there that is the home of the mold you may also want to run the hottest "sanitizer" option you have to get anything in there killed
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#11
Quote from slapshot136
:
normally you either run it within 24 hours or run a "rinse" cycle to prevent mold from growing.. the same would happen in any dishwasher
this is one thing i was wondering about. i've never really had a dishwasher before (my mother always used ours to store saran wrap and bread because she never thought we needed to use it with only two people in the house).
Quote from LiquidRetro
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I would run some dishwasher cleaner though it empty, with maybe some bleach too to kill off anything in there. Maybe try leaving the door cracked too to let moisture out.
is there a specific dishwasher cleaner or are you suggesting just to run the dishwasher while empty and putting in dishwasher detergent? would i put bleach in the detergent compartment and run it as usual or just dump bleach into the bin and turn it on?
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#12
Do this..

Take everything out including the food trap filters if you have that in your unit
Remove the racks also.

Now take 3 cups of Clorox bleach (make sure you use the real stuff) and pour it into your tub bottom drain.

Turn on the unit for pots and pan settings and use high heat if you have such a setting.
Close the door and leave the room.
On the final rinse cycle pour in 3 cups of Clorox bleach again.
Close the door and leave the room.

Once this is done.

Now add 1 cup of baking soda to the bottom of your unit tub
Boil 3 cups of white vinegar in your microwave over for 3 to 5 mins.
Take that out and pour it into your bottom of your unit tub.
Add lemon or lime juice along with that too about 1 cup.
Add any type of acid drink like kool aid, tang, or country time lemon aid into the power side compartments. Now close it up and let it run until you get the the final rinse cycle. Add 3 cups of hot vinegar again to the final rinse cycle.

Once all of this done. Test your unit and see how it goes. I've done the above prior and it has worked out well for me. Also check for anything floating around on your bottom your unit tub too. That needs to be removed. This means that the grim didn't get crunched up and dumped out. I've seen that happen too.

If you have hard water you might think about getting CLR or the one from the dollar store does the same thing for $1. LA All-some stuff.

If you still have issues you need check your return to the garbage disposal and see if clogged or dirty? The issue could be with inlet valve! This causes a lot of issues with the dish washer. It might need to be replace? Small part you can do on your own.
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Last edited by tipstir July 29, 2011 at 05:16 PM.
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#13
Can you leave the door cracked a little to let the moisture out?
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#14
Is all the water draining? Make sure drain hose is clear and loops up as high as it can.
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#15
i don't see any water in the drum but the plastic hose coming from the machine isn't as high as it can go. am i supposed to tie-wrap it up to something? i'll try that to help with draining.

tipstir, that's a freaking project! hahaha. i may try it one day but i don't have most of the ingredients (baking soda, vinegar, lime juice, kool-aid). question though, why "real" bleach like clorox. are ingredients different in different bleaches?
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