For best results when using a coffee plunger, first preheat the plunger with hot tap water, then using your coffee scoop add one scoop of course, freshly ground coffee per cup to be made.After you have poured boiling water, let the coffee brew for approximately four minutes. This will bring out the flavours and aromas of the coffee beans.To clean your coffee plunger discard used coffee grinds and disassemble the coffee plunger. Wash all components in hot soapy water, rinse with clean water and dry thoroughly.