Miele Somat Salt for Softening Dishwasher Water. For water softening in high performance dishwashers. Tap water contains lime. So that lime is not deposited on dishes and the dishwater, your dishwasher has a water softening unit which removes the lime from the water. Imported from Germany by Miele. Recommended by Miele for your dishwasher. Water Softener Salt will help you get the best possible results from your Miele dishwasher. 1.2 kilograms.