Brewing Tea Rules:
1) Use freshly boiled water
2) the water should be 100 degrees of Celsius for black tea, and about 70 degrees Celsius for the Green and White Tea
Some interesting info about Green Tea:
3) Cover the cup, so that the flavors can not escape
4) Brewing time depends on the type of tea. Black tea from 3 to 5 minutes, green tea about 3 minutes.