Have your dishwasher running smoothly with the Finish Dishwasher Salt Softens water to boost the cleaning performance of your dishwasher Helps to prevent spots and watermarks on your cutlery and dishes Contains no impurities such as iron and carbonates Choose from 3 options: 2kg, 4kg or 16kg packs Buying Options: 5.99 pounds instead of 9.49 pounds for a 2kg Pack - save 37% 6.99 pounds instead of 18.98 pounds for a 4kg Pack - save 63% 14.99 pounds instead of 75.92 pounds for a 16kg Pack - save 80%