Randy...you do not have a grinder....you have a small nutrition processor. a form of little 2 bladed units that BEAT situation to smaller sizes. A coffee grinder could have 2 instruments of grinding surfaces, some style are discs some are cones. besides, you will no longer discover a lot progression, different than a tad greater style from this technique. additionally, considering the fact which you will probable be procuring beans from a industry and not a roaster, the coffee is in simple terms no longer everywhere close to sparkling. yet you're on the right song. DO your self a desire and detect an area roaster which will sell you sparkling roasted coffee, no longer numerous month previous beans that have been shelved in a stockroom or warehouse. Or circulate radical and circulate returned to the way of your large grandparents....Roast your very own.... Oh, and to the question of ways long....the longer you run it the warmer the grounds get and the greater severe it rather is going to style.