Nilco C6 Purple Line Cleaner is a strongly alkaline concentrated aqueous cleaner for delivery systems, designed to provide high levels of cleanliness and the inhibition of hard water and stone deposits. Nilco C6 Purple Line Cleaner contains a colour indicator to provide a visual indication of cleaning process completion. Where to use In all commercial dispensing equipment. Nilco C6 Purple Line Cleaner will not induce tainting, and is suitable for use in hard or soft water. Where not to use Nilco C6 Purple Line Cleaner should only be used for the purpose intended, do not allow to come into contact with any other chemical cleaner. Not for use with aluminium or other soft alloys.