71°C for 1/2min to kill salmonella, instantly with 74. 10min is around 64°C. Remember that the cup often cool down the water 10-15 degrees. So the water shoul

71°C for 1/2min to kill salmonella, instantly with 74. 10min is around 64°C. Remember that the cup often cool down the water 10-15 degrees. So the water should not be under 90°C from the boiler to be safe.