![What is hard water? Is London's tap water safe to drink and does it cause limescale? Here's how to protect your skin, hair and home | London Evening Standard | Evening Standard What is hard water? Is London's tap water safe to drink and does it cause limescale? Here's how to protect your skin, hair and home | London Evening Standard | Evening Standard](https://static.standard.co.uk/s3fs-public/thumbnails/image/2018/05/23/08/tap.jpg?width=1200&height=1200)
What is hard water? Is London's tap water safe to drink and does it cause limescale? Here's how to protect your skin, hair and home | London Evening Standard | Evening Standard
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A water droplet design, Thames Water / Mayor of London public drinking water fountain in Ealing, west London, UK Stock Photo - Alamy
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