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Got a Eweadn mechanical keyboard and I really like it. After months of use, however, this greenish teal/turquoise stuff accummulates on the keys I use the most. It also accumulates on the sides of the keys, and it doesn't clean off easily. It seems to originate between the circular cap and the rose-gold plated rims. What is?

I apologize if this isnt the correct community to post this in, i couldnt find a generic 'what is it' community.

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[-] bunnyBoy@pawb.social 11 points 1 day ago

Definitely copper corrosion. Rose gold is an alloy of copper and gold, and since it's a mechanical keyboard, I doubt they're springing for super high quality stuff, so it's probably more copper than gold. As another said, white vinegar with a few tablespoons of salt should remove the corossion, but I'm not sure how the rest of the keycap will hold up.

this post was submitted on 05 Oct 2026
23 points (96.0% liked)

What is this thing?

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