31. Deal with stains in your bathroom
It works just as well it does for your kitchen sink. All you have to do is mix some salt and turpentine and start rubbing the affected surfaces. Make sure to use elastic gloves and ventilate the room properly as the turpentine can be quite irritating to your skin and airways.
White wine vinegar works well to remove limescale build-up and also kills germs. Important when using vinegar is patience, you have to give it around 30 minutes before rinsing everything off with plenty of water. After the vinegar treatment, you should give the whole surface a good rub down with a soft cloth for some extra shininess.