Product Description ------------------- Duzzit Kettle Descaler is safe to use for both plastic and metal kettles, simply half fill the kettle with water and allow to boil, unplug the kettle and drop in a single sachet, leave for 10 minutes, empty the kettle, dispose of the sachet, re-fill and boil the kettle, dispose of the water leaving you with a perfectly clean kettle. Formulated to remove 100 Percentof all limescale, prolonging the appliance life. Pack of 2 sachets Ingredients ----------- Contains: Citric Acid Anhydrous CAS No 77-92-9