Originally Posted by
Hydaral
The strength of the coffee in the Aeropress is dependent on the amount of coffee grounds you put in. Ground coffee really only has about 30 - 60 seconds of brew time before the water starts extracting the bitter acids from the grounds. The Aeropress was designed to avoid this.
The only disadvantage to the Aeropress is that it uses twice as much grounds as an espresso machine, because compared to the machine it is very low pressure.