Vacuum Coffee Makers
These days there are tons of different kinds of coffee makers in the market but there is one in particular however that I am very fond of. Vacuum coffee makers, in my opinion, deliver the best tasting, strongest flavored coffee in the world and its because of the process it takes the coffee grounds and water through. A vacuum coffee maker is made of two pots and one sites on top of the other. Between the pots is a tube and filter. In the bottom pot you put the water that you want to heat and in the top you put the coffee grounds.
The water pot sits on the heating element and heat up to just before the boiling point at which moment because of the pressure difference the water gets sucked up through the tube and into the top pot where the coffee is waiting to be mixed with the water. As it is brewing in the top pot it slowly begins to cool and go back through the tube, through the filter, filtering out the leftover coffee grounds, to the bottom pot where, once completed you will have a perfectly brewed fresh pot of coffee waiting for you to start your day.
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The vacuum coffee maker was actually invented by a Swedish man named Kass Kleeson and his invention has become a staple kitchen appliance in nearly every Scandinavian home. Recently the huge growth in coffee consumption has brought the vacuum coffee maker back into the spotlight.
This is because this process of brewing coffee is widely thought to be superior to other methods such as the drip method with is very slow because it drip feeds hot water into coffee grounds. The same is true for the percolating method, which passes boiling water several times through ground coffee (making for unflavorful coffee I might add). I’m just happy that I have my own personal red coffee maker that uses the vacuum process of making coffee and I recommend you all get one.
source : The Best Siphon Coffee Makers, Revealed (AKA Vacuum Coffee Brewer)