Serious coffee drinkers wouldnt consider anything less than grinding their own beans at home. Grinding beans does take a bit more time but as any connoisseur will tell you, it is well worth the effort. The reason for this is that coffee beans like any other food product oxidize when they are exposed to the air. Once the beans have been ground they have a much larger relative surface area than the unground bean plus there is no outer layer of protection so they suffer this effect even more.
Consequently grinding beans at home produces the least exposure to air and hence the freshest grounds. In making the perfect cup of espresso what is important is that you grind only the amount you will use immediately.
There are three main types of Coffee Grinders which include the burr, blade and crusher designs.
Blade Grinders operate pretty much the same way as the ancient mortar and pestle which crushes and mashes the beans. As you would understand this method is not 100% effective because it produces grounds of uneven size. If you have other choices steer away from these models and go with the ones that have superior features.
Contrary to their name Blade...