The answer to this goes far beyond personal preferences and health and technology concerns. Warm does not automatically mean betterThe hot water from the tap has already been on a journey—usually through the boiler or heating system. Heavy metals such as copper or lead can enter the water in older systems. These impurities pose a health risk that cold water usually does not. Cold water comes directly from the mains and is often fresher and cleaner. This choice will definitely affect the taste of tea or coffee. Limescale, the enemy…
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