If you detect bitterness, try grinding a bit more coarsely next time. The proper grind is very important to the success of your brewing method and the final taste of your coffee. Blade grinders use a propeller-like blade to grind the coffee. They're easy to use and economically priced. Different grinds are easily achieved by using settings on the machine.
Burr grinders produce consistent grinds.
Fresh cold water contains more oxygen and many people think this leads to better flavor in the cup. Measuring The ratio of coffee to water determines the strength of brewed coffee and preferences here are highly individualized. We think our recommendation of 1 tablespoon of coffee to 5 ounces of water produces a great cup of coffee that will allow you to enjoy all the taste characteristics inherent in the coffee. You should certainly experiment with this ratio, though, until you find the taste that's right for you. If this tastes too bitter, you can use a coarser grind.