Electric Kettles ,1.8-Liter Capacity,1500W Fast Boil with LED Indicator Auto Shut-Off and Boil-Dry Protection,Stainless Steel Interior Double Wall Hot Water Portable Boiler Heater for water Tea and Coffee,Yellow

How to remove scale & Clean:                                                                                                                                  
Step1：Fill 0.5L water and a drop of detergent into the kettle, wash the interior of the kettle thoroughly with a sponge and rinse it clean,
Step2：Fill 1.5L water, some vinegar or citric acid into the kettle, boil the water and then discard it,
Step3：Boil a pot of plain water once or twice and discard it to remove any remaining vinegar odor or taste.