J.K. Rowling is describing the effects of a sunny summer in Ron and Hermioneâs skin, to which we can suppose Hermione is tanned. Other passages of the seven-part novel talks about Hermioneâs cheeks going pink â which could lead again to a white skin.
Baking Soda. Using baking soda is another way to remove rust from metal. You can make a paste by mixing baking soda and water. Make sure that the solution is pasty enough to adhere to the surface, then spread it onto the metal and let it sit. After the rust is loose, you can scrub it off.
Method: Rinse the metal item and shake dry. Dust with baking soda (it will stick to the damp areas), making sure to cover all rusty areas. Leave the item for an hour or so, then scour with steel wool or a metal brush, removing the rust down to the metal. (If cleaning a pan, use a scouring pad.) Rinse, and towel dry. Pin it. Best used on: Less severe rust, baking pans, light rust rings, thin metal. Pros: Simple method using one cheap, common ingredient.