Adding one pinch of salt to the basket of the coffeemaker will remove some of the acid taste.
For clear coffee, put egg shells in after perking.
Always start with cold water.
Make coffee more exotic by adding a dash of ginger, cardamom or cinnamon to the grounds.
Crush a small piece of ginger and add it to the upper container of the filter while brewing. Ginger coffee has an great taste and can also help to end a nasty cold.