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A comment on Show HN: I designed an espresso machine and coffee grinder from scratch. Parent comment

Re:Show HN: I designed an espresso machine and coffee grinde... by ndsipa_pomu on Friday December 13, 2024 @07:38AM (#42407966)
> I've never come across a kettle that changes temperature, or is it that you can stop it boiling when you feel it's about right?

There's several around - I've got one that allows you to choose between 70°C, 80°C, 90°C and boiling (along with a keep-warm option that's never used). I use the 80°C option all the time for making coffee (Aeropress) and use the 70°C for things like green tea (black tea should be 100°C of course).

It's a mistake to use boiling water when making coffee - it'll extract a bitter flavour.

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Re:Show HN: I designed an espresso machine and coffee grinde... by alias_neo on Friday December 13, 2024 @07:59AM (#42408061)
> I've got one that allows you to choose between 70°C, 80°C, 90°C

That's really cool, I suppose I haven't really looked, being a coffee drinker, a kettle was never important to me.

> It's a mistake to use boiling water when making coffee - it'll extract a bitter flavour.

I have two espresso machines, one in the kitchen and one in my home office, I also have an Aeropress like yourself, love it, but I only use that for travelling. Wouldn't dare pour boiling water over my freshly ground coffee :)

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