What’s lurking in your kettle if you don’t wash it?

Kettles can be a breeding ground for bacteria

What exactly is lurking inside our kettles, and what are the best ways to clean them? Picture: Alamy/PA

You might love your cup of tea, but have you ever thought about the cleanliness of your kettle?

Not only can a dirty kettle affect the taste of your cuppa, it can also be a breeding ground for bacteria.