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That works for the housing, but not for the blade which usually gets food jammed up in every little crevasse. You can't stick those in the dishwasher because it'll dull the cutting edges. Washing the knife and board is trivial by comparison.

But I don't really have trouble with my eyes with onions, that may be the deciding factor.

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> You can't stick those in the dishwasher

I stick my food processor blades in the dishwasher all the time; never hurt them any.

Well too be fair they usually come pretty dull from the factory already.

Of course you can stick the blade in the dishwasher. It works fine. What do think the dishwasher is doing, sandblasting?

Throw your knives in the dishwasher and they’ll dull right quick.

Food processor blades are usually stainless steel, which is a lot less sensitive to the dishwasher.

And food processor blades are driven much harder than hand knives, so they don't have to be as sharp.

Some substances in the dishwasher detergent are bad for steel, like sodium silicate.

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