Optimise your coffee pleasure and ensure your coffee machine has a long and happy life. Quick-dissolving fine powder with the concentrated power of citric acid cleans thoroughly and gently. Ideal for water tanks and steam pipes – just drop it in and run the anti-calc programme. Effortless!. Manufacturers recommend regular descaling in accordance with water hardness in your area. Contents: 1 packet of Melitta descalent containing 16 x 40g sachets.