BioCaf Carafe Descaling Powder Ideal For: eliminating coffee residue and oils from brewers and serving equipment, including carafes, French presses, and pour-over brewers. Non-Toxic and Biodegradable: Urnex Biocaf Coffee Equipment Cleaning Powder is made entirely from natural and biodegradable ingredients. It is phosphate-free. The cleaning powder does not leave behind the lingering smell and taste of vinegar, as it is odorless. Safe for Regular Use: Without regular cleaning, the coffee maker can become clogged, water becomes cloudy, and overall performance and taste are diminished. As the cleaning powder contains non-toxic materials and is all-natural, it is safe to use it on a regular basis. Quantity: Each carton of Urnex Biocaf Coffee Equipment Cleaning Powder contains 3 single-use packets, each containing 9 grams.