One way to treat a fresh red wine stain is to dilute it with white wine – but experts from Germany’s Forum Waschen say water works just as well, and it is cheaper. If your favourite shirt or tablecloth has been splashed with red wine you will need to leap into immediate action. Rinse the stain with tap water straight away. Then gently dry with a cloth, but be careful to just dab at the stain, otherwise you will rub the wine deeper into the fibres. Dried-on stains If the stain initially went unnoticed and has since dried, treating it will be more difficult. Often, the only thing that can help i…