14 Miele UltraPhase 1 and 2 The best liquid dispensing system Best liquid detergent system on the market! The German Hohenstein test institute tested the automatic 2-Phase dispensing system in connection with Miele's UltraPhase 1 and UltraPhase 2 detergents. They confirmed excellent wash results in terms of stain removal, the degree of whiteness, the anti-greying effect and accuracy of dispensing.