coffee forum, ?????, ?????, fresh coffee beans and tea house

[tnpatton]

Does anyone have suggestions for preventing large bubbles / turbulence from appearing after the water rises into the upper chamber?
I get large bubbles forming about 50% of the time, and I notice that the brew tastes bad if coffee is brewed when these large bubbles are present.

Suggestions on other websites say that if such bubbles appear, it is best to adjust the filter to keep the bubbles from forming. If that fails, then start all over and make sure there are no leaks in the seal. I've done this, but I still get large bubbles.

[neohk]

u've bubbles right from the beginning?
2 types of bubbles: those from the rim of your metal part and those from the cloth surface and they uniformly distributed.
the former: misaligned cloth
the latter: the temp of the lower bulb is higher than the water temp.
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[tnpatton]

thanks, neo.

i have big bubbles form at the metal part. i tried to re-align the cloth many times, but it still does not stop the bubbles.
very strange.

[vavi]

can upload movie?

[tnpatton]

good idea. i will post a video tomorrow.

[tnpatton]

I just posted a short video on youtube of what I'm experiencing with these bubbles.

http://www.youtube.com/watch?v=0afk1F_5RWw

[vavi]

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???????????? 88-95c???温????97c?????????????????温?????温?97????????????????

[tnpatton]

Thank you, Vavi, for your help. I cannot read Chinese, but I will have my wife translate for me when I get home.

I used google translate, but it does not give a good translation.

[barca]

It is because the water in the bottom pot is way too hot. Try to pour 80 degrees at the beginning!

[seiyapicasso]

yes, the water is too hot to make coffee, I saw your video, the thermometer is shows 97.x, FYI, I will set my thermometer to 86C then pull the upper pot in.

After the water all get into the upper pot, turn the fire with less power to make the water flow become stable.

Then you can put coffee in.
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