At a water temperature of about 30 °C (86 °F), a threshold solar irradiance of at least 500 W/m2 (all spectral light) is required for about 5 hours for SODIS to be efficient.
在约30℃（86°F）的水温下，需要至少500W / m 2（所有光谱光）的阈值太阳辐照度约5小时，以使SODIS有效。