Gear Review: Electric Blade Grinders
In this post I’m going to tell you why you shouldn’t “grind”
your beans with an electric blade grinder. But let’s be clear. If the option is
either a) buying pre-ground beans or b) blade grinding at home, definitely go
with the blade grinder (see Brewing Basics). The good part is that blade
grinders are cheap and convenient, but that’s about it. The common electric
blade grinder chops your beans to smithereens with no consistency. The chopping
action from the blade results in fines, boulders, and everything in-between. This
is suboptimal because differently sized grounds extract at different rates, yielding
an unevenly extracted brew. Uneven extraction results in off flavors in the cup.
So if you’re shelling out for some great specialty coffee beans, do yourself a
favor and pick up a burr grinder ASAP. A good grinder makes a huge difference.
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