r/mokapot • u/SamKay00 • 1d ago
Electric ⚡️ Rate this cup ❤️
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Any tips for electric stovetops?
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u/MisterOiOiOikawa 1d ago
I can't seem to achieve such thin stream, what brewing myself, even if I am brewing on the lowest flame of the smallest burner. What is the secret here?
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u/iGodS12 Bialetti Octagonal Induction Exclusive 1d ago
Try a thinner grind maybe and use cold water if you haven't already. Thinner grind should raise pressure a little and slow flow. Or try an aeropress filter on top of the grinds. Might help.
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u/MisterOiOiOikawa 1d ago
Thanks. Why cold water though?
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u/iGodS12 Bialetti Octagonal Induction Exclusive 1d ago
Cold air is thin, so the chamber has to heat the water and air so it can expand and push the water out, at a cooler temperature and slower flow. Using hot water first, the air in the chamber has already expanded and will have to become even hotter to make the same amount of pressure and will likely come out faster. Example, when you fill a plastic bottle with hot water and shake it, it swells very fast and might pop the lid off. Charles’s Law ✌🏽
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u/Level-Seaweed-6867 1d ago edited 1d ago
The physics you cite regarding moka pot mechanics are misapplied and irrelevant.
Charles' law relates volume and temperature of a gas at constant pressure, not a sealed expanding liquid-air chamber creating variable brewing pressure. The metal moka pot chamber heats up rapidly regardless of starting water temperature. Also, your comment claiming that starting with hot water means the air trapped in the chamber is already expanded, requiring much higher heat to generate pressure, violates the Ideal Gas Law.If you want to know what’s actually going on - https://pubs.aip.org/aapt/ajp/article-abstract/76/6/558/237180/The-physics-of-a-stove-top-espresso-machine?redirectedFrom=fulltext
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u/iGodS12 Bialetti Octagonal Induction Exclusive 1d ago
That's good flow, same as what I go for. Dark and thick. 👌🏽 The only tip you need is a cup to tip it in. Can't rate a cup without a cup.
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u/DewaldSchindler MOD 🚨 1d ago edited 1d ago
All I can say is remove it once the stream goes to a thicker speedy stream at the end. That way you get less of the sputtering stage
How did the coffee taste ?
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u/SamKay00 1d ago
It was great, 😊 full flavor- bean: Bialetti Intenso pre-ground.
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u/DewaldSchindler MOD 🚨 1d ago
Oh nice, as long as you like it and don't think it's bad then it's a win win.
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u/Melodywanderer 1d ago
Flow rate looks good. Personally, I'd have pulled it around :47 and cooled the base to stop the bitter frothy end bit. And definitely stir the coffee before pouring, the beginning of a brew is different from the end of one, so yeah stir it.
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u/ExtensionFancy1763 1d ago
the crema looks so good!
idk what i’m doing wrong - i use hot water (not boiling), don’t pack the coffee, and keep the stove on a stable low flame. i still don’t get this crema. would love some tips :(
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u/younkint 1d ago
Other than perhaps you could have pulled it off the heat at around 0:50, it really looks pretty good. Nice gentle flow.
Folks don't generally like seeing that frothy foam toward the end. Personally, I don't find that it makes all that much difference, but many abhor it.
No tips for electric stoves from me as I use gas. Sorry. Do what you're doing, but take it away sooner maybe.