In your article about housework (“Germ Warfare”, 14 January 2017), you said that after washing dishes we should “rinse with plenty of water, preferably hot”. Why hot? Wouldn’t it save money if they were rinsed with the cold water that comes directly from the mains?
• While washing-up liquids come in various fragrances – lemon for instance – that might flavour a sauce, unless you relish the taste of even unscented detergent then it is best to rinse. “Preferably hot” does imply that using cold water remains an option, but there is one big downside to cold – and it…
