The Cleancaf® Cleaner and Descaler is a detergent and non-acid scale inhibitor in one formula that is designed to remove flavor-tainting stale coffee oils and residues from your home coffee and espresso equipment. Simply dissolve the contents of one packet in 32-ounces of warm water and pour into the reservoir. Turn the machine on and begin the brew cycle. Rinse all components and repeat the brew cycle twice with clean water. Formula has no odor and limited suds, is organically listed with OMRI, and is Star-K Kosher. Includes three single use packets.