Grime, soap scum, limescale, and endless fingerprints can make even the shiniest taps look drab and dirty.What's worse, many household cleaners are packed with harsh chemicals that can damage the tap's finish, leaving them with an unsightly, dull brownish hue.But cleaning expert Nancy Emery from Tap Warehouse has revealed an easy, affordable solution, the humble lemon.Nancy warns against using "harsh chemicals" like vinegar, especially on modern finishes such as matt black, chrome, or brushed brass.Instead, she recommends a natural remedy using lemon juice."The best way to keep your taps spotless and scratch-free is by using a 75/25 solution of lemon juice and water," Emery suggested.“You can also use a soft cloth with warm soapy water, but the lemon juice helps remove tougher stains. J...