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If you are tired of your existing electric auto-drip machine and want to experiment with making coffee that extracts the best flavour possible, here are some methods you can try.
Chemex carafes are not the same as the auto-drip although they use a very similar brewing style. The Chemex carafe is a heat-resistant glass beaker. This means you need to boil a kettle to pour hot water over the grounds. This gives you control over the temperature — unlike an electrical auto drip.
You slowly pour the water over the Chemex filters, which are thicker than standard coffee filters. The coffee grounds then get to soak longer before going through the filter, which results in a much richer cup of coffee.
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Espresso is brewed by forcing a small amount of water that is under pressure and heated to almost boiling through finely ground coffee. It tends to be thicker than coffee brewed by other methods.
Ground beans are tamped into the portafilter to produce a tightly packed bed of coffee grounds. You attach the portafilter to the espresso machine by twisting it into a unit that contains the head, which then forces water through the grounds into the cup below the portafilter.
Espresso has a higher concentration of suspended and dissolved solids, and has a creamy consistency (crema) foam. As the coffee is pressurised as it brews, the flavour is really concentrated in the cup.
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