Speaking to HuffPost UK previously, Myles Robinson, a former boiler repair company owner, said: “Heat from the air or soil can warm up the water in your pipes, making it feel less refreshing”.
That (obviously) makes it warmer. But can it affect its taste, too?
Well, according to Dr Bill Simpson, a chartered chemist and specialist in sensory science, and Genevieve Upton, Our Taap’s in-house filtration expert, it can.
How can hot weather make tap water taste different?
Dr Simpson said that “Warmer pipes mean slightly more microbial activity – this is mostly harmless but occasionally noticeable. Summer water can taste subtly different for that reason.”
One study found that a type of bacteria called Coliform bacteria significantly ...


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