Finish Automatic Dishwasher Detergent Salt Limescale deposits can quickly reduce the efficiency of your dishwasher. Finish Salt has a purity of 99.9% and is especially granulated for use in the dishwasher. Its purity ensures that your dishwasher's built in water softener works effectively, protecting your dishwasher against limescale. It also helps to protect from stains and water marks that accumulate in your dishes and glassware. #1 Recommended by AEG, Beko, Bosch, Candy, Hotpoint, Zanussi, Indesit, Neff, Siemens, Smeg, Electrolux. Biodegradable and Safe for Septic Systems All FINISH automatic dishwashing products are biodegradable and safe for septic systems. About FINISH When it comes to pioneering dishwashing products, FINISH has been at the forefront since 1957. FINISH is continuously innovating and rigorously testing its products to ensure excellent dish cleaning results. That's why FINISH is the number-one recommended brand by more dishwasher brands worldwide. Whatever your lifestyle demands, you can rely on FINISH to give you a brilliant, gleaming shine in every cycle.