Finish Salt has 5x power actions and is especially granulated for use in the dishwasher. Its purity ensures that the anti-cal unit of the dishwasher works effectively to protect your dishwasher from lime. It also helps to protect from stains and watermarks that accumulate in your dishes and glassware. Important; other salts may contain impurities such as iron or carbonates that will damage the anti-cal unit of the dishwasher.