Nov 6, 2009|
Question

Dear Dr. Brew,
I was just with a customer today who complained that pot-to-pot,
sometimes his coffee tastes "different," even though using the same
blend. I asked if perhaps they were brewing pots too close together,
and that the coffee maker hadn't had a chance to get to brewing
temperature. He countered that "steam comes out, so it's hot
enough." Well, the customer is always right, but I'm wondering if you
can help me with the science, so that I might educate my customer at
our next meeting. His brewer is an older STF and has no green ready
light.
Thanks,
Mike
Leelanau Coffee Roasting Company



Answer


Dear Mike,


As you said the customer is always right. Kinda like running through a yellow light, wasn't red yet, so why stop & wait. Temperature of the water as it enters the coffee bed is critical to aromatics, flavor components and color of the brew. The amount of soluble material extracted relates directly to the brewing temperature. Dispensing water at a lower temperature also increases the volume dispensed in a given cycle.


We could go on! Lets just agree that you get the best from your coffee when the brewer conditions are at their best.


Time, Temperature and Turbulance are the main contribitions of the brewing equipment.


Happy Brewing,
Dr. Brew

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