this post was submitted on 06 Sep 2023

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No Stupid Questions

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what are these floating on the surface (lemmy.world)

submitted 2 years ago by acquiescent@lemmy.world to c/nostupidquestions@lemmy.world

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These were from water we just boiled

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[–] skillissuer@discuss.tchncs.de 63 points 2 years ago (2 children)

that's limescale

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[–] blanketswithsmallpox@kbin.social 31 points 2 years ago

Limescale from the tap, or a dirty dish with limescale.

Either way it's harmless.

This is why water softeners, aka soft water is a thing in many US homes.

https://m.youtube.com/watch?v=0bMbAC2ek6o

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[–] acquiescent@lemmy.world [S] 11 points 2 years ago (2 children)

The kettle doesn't have whitish looking residue though. It's spotty specks of grey that leaves chalky white powder on my finger when I wipe them, is that still limestone?

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[–] Jajcus@kbin.social 6 points 2 years ago

Maybe the kettle has some kind of non-sticking internal surface?

Yes, that sounds like limescale.

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[–] thepianistfroggollum@lemmynsfw.com 1 point 2 years ago

Yup. It takes a minute for the scale to build up on the metal.

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