Spent coffee grounds are a good fertilizer in gardens because of their high nitrogen content. Nitrogen is a crucial component of DNA, RNA and of the proteins which plants require to build themselves. Coffee grounds also contain potassium, phosphorus and many other trace elements that aid plant development. Many gardeners report that roses love coffee grounds and when furnished with the same become big and colorful.

Blade Grinders �smash� the beans with a blade at very high speed (20,000 to 30,000 rpm). The ground coffee has larger and smaller particles and is warmer than ground coffee from burr grinders. Blade grinders create �coffee dust� which can clog up sieves in espresso machines and French presses. These type of grinders are suitable for drip coffee makers. They also can do a great job for grinding spices and herbs. They are not recommended for use with pump espresso machines.

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