this post was submitted on 05 Oct 2026
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What is this thing?

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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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[–] moonshadow@slrpnk.net 7 points 2 weeks ago

Someone never having seen copper corrosion got me fucked up. It's definitely corroded copper, the "rose gold plating" is trash.

Not really an easy fix for it, you could clean all your keys really well and seal with clear epoxy or just embrace the new aesthetic. Oxidation like that is self-sealing, it'll stop once the whole surface is covered and imo looks pretty neat once you brush it smooth