To really get the most out of your kitchen appliances, you need to clean them regularly.
Especially items such as kettles, which can get really grubby and become less efficient if they aren't taken proper care of. Descaling it is a good way to do this, although removing limescale can be a difficult task.
Cleaning fans often rave about natural ingredients such as white vinegar or lemon for household cleaning, but one expert has advised against this and instead suggested using a different product that really does the trick.