Proton's Prosan Ultra is a premium purple line cleaner, with excellent water softening capabilities, making it suitable for all water conditions, even 'very hard' water. Designed for versatility, Prosan Ultra works seamlessly with all dispense systems and its concentrated, heavy-duty formula delivers a long-lasting cleaning performance. The unique 2% dosage combines a high caustic power with a low chlorine ratio, making it ideal for chilled dispense systems. It is suitable to be used on fortnightly cleaning intervals as well as weekly.