I have never been aware of mould growing in my dishwasher. I run it every single day and I don't see how mould could have a chance to grow, what with the dishwasher powder being quite vicious. Perhaps it's just not warm enough here for it to gain a foothold between washes?
You'd think so, wouldn't you? I use extra detergent and all the hottest settings and I have recurrent mold anyway. If I run it empty with vinegar now and then and bleach some other times it recurs less virulently and less often, but it does recur.
I don't have a dishwasher any more, but I don't remember having mold problems with the one in my Tucson apartment, and that only got used once a week. Arizona was hot, but never really humid enough for mold to be an issue.
I believe my current dishwasher was effectively new when I bought the house 2 years ago. I have not yet observed mold in it. (Sorry to be so excruciatingly precise, but I'm taking a break from composing discrepancy investigation reports and you can't shake that writing style so easily.)
The only time I've noticed a problem with mold was when running a load before heading out the door for a week+ trip. Well, maybe it finished, and we just didn't think to crack open the door so that everything could dry out. I don't remember there being all that much mold when we got back.
We don't really have mould, but the dishwasher sometimes develops an off smell which is probably mould. So. We use a specific dishwasher cleaner a couple of times a year.
Now, the washing machine gets black mould. Running once every couple of months on the boil wash (with nothing in it because we don't boil wash anything) does the job.
Bleach is probably not a good idea; it might corrode some of the internal parts. Some dishwashers have filters--might be worth checking yours and seeing if the filter needs cleaning.
I said dragon spit. I mean the tablet supplied with the machine, to be used once every few months with no dishes in. I don't know if I'd get mould if it weren't used.
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In twenty years we've never had any mold.
Or spots.
And it's a damn sight cheaper than that goop they sell for dishwashers, too.
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Now, the washing machine gets black mould. Running once every couple of months on the boil wash (with nothing in it because we don't boil wash anything) does the job.
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Bleach is probably not a good idea; it might corrode some of the internal parts. Some dishwashers have filters--might be worth checking yours and seeing if the filter needs cleaning.
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