malkore Senior Member Joined: 17 Jan 2008 Posts: 84 Location: NE Expertise: I like coffee
Posted Tue Jul 1, 2008, 6:04am Subject: Re: Preheating Water Over Extracts my Vacpot
I have a glasstop stove and it doesn't like to heat my little yama 8-cup. so i preheat.
i have coffee in the top in advance, and see the same 'initial wetting' of the coffee before it actually brews.
however, my coffee's never bitter. i do roast my own beans, grind immediately before using, and they get used up within 5-7 days of roasting. perhaps the freshness of my coffee is why I never noticed the bitter flavor?
JeffPersson Senior Member Joined: 11 May 2008 Posts: 68 Location: Goodyear, AZ Expertise: I love coffee
Espresso: Bialetti Moka Pot Grinder: LaSanMarco SM-90A Vac Pot: Yama 8-cup Drip: Cuisanart Roaster: Poppery I
Posted Tue Jul 1, 2008, 8:50am Subject: Re: Preheating Water Over Extracts my Vacpot
Thanks for the additional information everyone.
malkore:
Do you use the wire diffuser with your glasstop stove or just use it glass-on-glass? Also, you said you preheat it, so are you just heating the water in the bottom until it's close to a boil and then putting the top on?
I think my problem was adding the hot water from a kettle to a room temp pot and the pot not being at the heated temp to maintain the heat in the water. In fact the room temp glass was probably drawing some of the heat out of the pre-heated water and then having to heat it back up resulting in the mid-brew stall I was seeing.
malkore Senior Member Joined: 17 Jan 2008 Posts: 84 Location: NE Expertise: I like coffee
Posted Wed Jul 2, 2008, 8:48am Subject: Re: Preheating Water Over Extracts my Vacpot
clarification:
i do use the wire screen/trivet...though I don't think I need to. I have to set my stove on high to get the vac pot to work...
I heat the water in a kettle to boiling, then pour into the bottom pot, and attach the coffee bowl, and then hit it with high heat til it brews. usually 1-2 minutes to get going good.
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