– Do not grind too much once while you use the grinder, it is better to grind enough volumn for you to drink once. The time using grinder longer, the heat generating more. This may indirectly to let the sweet smell of the coffee release during the grinding time because of generating heat and it will influnence the taste of the coffee after boiling.
– Coffee beans contain grease, so the grinder needs to be washed after used, otherwise. If the grease stained on the inside long time, it will pruduce rotten taste even though the high-quality beans.
– During the grinding time, do not move too fast. Instead, you should move smoothly and try to keep the core grinding do not pruduce heat because of rub.