this post was submitted on 04 Nov 2025
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[–] CompactFlax@discuss.tchncs.de 4 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

Citric acid is the primary ingredient in most dishwasher cleaners. Of course, not a good idea to use it in every load. However, my DW manufacture suggests up to 10% citric acid solution as an alternative to rinse aid.

I haven’t seen any aluminum in a dishwasher, and I have noted that if I send any aluminum through it tarnishes like crazy and pits on repeat offenses. I don’t think that hot caustic water is any environment in which to design an aluminum part.

That said, again, dishwasher detergent is basic, so you’re right in that adding acid probably won’t improve the efficacy of the wash cycle.

[–] ProdigalFrog@slrpnk.net 2 points 2 weeks ago

That said, again, dishwasher detergent is basic, so you’re right in that adding acid probably won’t improve the efficacy of the wash cycle.

Though I can't confirm this, I suspect that the vinegar is mostly removed with the the pre-rinse water, which may negate or disrupt an added pre-rinse detergent, but should be mostly gone by the main wash to not effect the main load of detergent released at that time.

[–] SaveTheTuaHawk@lemmy.ca 1 points 2 weeks ago (1 children)

The spindle that supports the basket in washers is made of unprotected aluminum and designed to fail at about seven years of use. On Bosch models, they seal this in so it cannot be fixed.

[–] phoenixz@lemmy.ca 1 points 2 weeks ago

Any sources on that?