Backflushing allows the pressurized water and cleaner to circulate around the grouphead with force. This process frees the clogged and strayed grains. To free the portafilters of grains that were stuck in the strainer holes, soak these in a tub of hot water mixed with coffeemaker cleaner. Scrub it lightly after an hour then put it back on its group head and let water drip through for a minute. Black and Decker Programmable Coffee Maker - This beautifully styled 12-cup programmable coffee maker have all the bells and whistles perfect for the family. One unique feature of this coffee maker is the coffee freshness indicator which tells you if the coffee inside is freshly brewed or has been sitting on the burner a while. As a start, you need to determine whether what you need is a coffer maker that serves single cup or a coffee maker that produces more than a cup of the beverage at a time. This one is an important factor that has a large part in identifying which brand and model among the plethora of choices would suit you best. Using a vacuum coffee maker is time-consuming and the apparatus is difficult to clean up. Restaurants in Thailand use this type of coffee maker. 4. Electric Drip Machines - Commonly used as home brewing device, producing coffee with electric drip machines are quick. The usual brewing time takes only 4-6 minutes. Let's say you are a customer, when you order for a cup of clover coffee, the barista will ask you to pick some coffee beans for your preferred cup size. After that, he will measure the coffee beans and grinds them. The ground coffee is poured into a brew cylinder; behind it is the water boiler. The barista mixes the coffee grounds, ensuring that the mixture is completely moistened. There are three major types which consumers can choose from should they decide to buy a new one or to replace their old coffee maker. The first type is the coffee pod brewer. This kind takes coffee pod to prepare the gourmet coffee. You can find various coffee pod brewers in the market which are made by different manufacturers.