1. Line a glass bowl with tin foil.
2. Place your tarnished sterling silver jewellery into the bowl.
3. Sprinkle a generous amount of baking soda powder over the jewellery.
4. Pour boiling water into the bowl
5. Let sit for a few moments
6. Remove your jewellery from the bowl and rinse with warm water. Your jewellery should be tarnish-free!