Finish Dishwasher Salt is designed to enhance the cleaning efficiency of your dishwasher. It prevents limescale build-up and ensures 100% better protection from residues, maintaining the purity and quality of your dishes. Key Features Boosts dishwasher performance Prevents lime scale build-up 100% better protection from limescale residues 99% purity 100% Pure Sodium Chloride (salt).Finish is a global leader in automatic dishwasher products. This is a specialized salt used in the water softening unit of dishwashers.Fill the dishwasher's salt reservoir according to the machine manufacturer's instructions. Check reservoir level regularly and refill as needed.Caution: May cause eye irritation. Keep out of reach of children. If in eyes, rinse cautiously with water.