We’ve all been there – looking at a grimy bath and wishing we could wave a wand and instantly make it sparkle. From soap scum to watermarks, and limescale build it can be tempting to reach for pricey cleaning products. But before you do, there’s a completely natural cleaning hack that will leave your tub gleaming for just 55p? The next time you go shopping you need to grab a grapefruit because that’s all you need!