Field Trip: Hario USA – Edwin Demos a Halogen Bar

As magical as it is tasty, commercial grade halogen bars are configurable to brew at a flatline temperature, which is fairly unique amongst coffee brewing methods. When we visited Hario USA, Edwin Martinez showed us how this awesome machine works — and while it would be rare to use these at home (or even to see them in cafes in the US, actually), we thought the mad science + brewing tips shed some great light on making great coffee in general.

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