This activity makes the coffee bold, full flavored and creamy. The break down process happens quickly and the molecules either dry up or evaporate when it is exposed to air. Pre-ground coffee tastes flat and bitter when brewed. Always grind the coffee when it is about to be brewed to ensure that all the good things are intact to be enjoyed. The bottom part holds the heating element, the orange tube on the top for cold water from the hole in the reservoir, the orange tube on the bottom for hot water, and the power cord. The Brewing Process The coffee making cycle starts when you pour cold water into the reservoir. The water flows from the reservoir through a hole at the bottom of the bucket and then into the orange tubes located at the heating element part. Most detergents and soaps leave suds and deposits behind which may possibly cause harm to your coffee maker. These may also make your coffee taste awful. However, the coffee pot or the glass portion which collects the coffee can be cleansed with the use of soap. This is an efficient washing means provided that you rinse the coffee pot thoroughly. When brewing is done, the grounds are pressed down with a mesh plunger to separate the particles from the water and coffee is poured onto the cup. The coffee pod is the newest kind of coffee maker. It produces a single-serve cup using ground coffee sealed in a filter bag called a "pod." It is shaped like a percolator with the movable upper part bent forward. Lower temperature will not extract the bean's full flavour and if the water goes any hotter, it could scald the grounds. Lastly, do not make a habit of using different roasts on a single coffee maker or brewer if there are usual instances of leaving the liquid in the container for a long period. It leaves stains and residue that even diligent cleaning will fail to remove and these affect the flavour of other roasts. It can also be used to reheat coffee instead of a microwave oven. Milk or creamer is always better tasting when steamed than boiled, because boiling reduces the liquid and changes the flavour. When purchasing a personal drip and espresso machine with steam wand, it is necessary to connect it to the filtered water valve.