Here is an inexpensive and a quick way to clean your bathroom.
1.Take one cup salt, 1 cup white vinegar and 1 cup baking soda .
2.Make a paste of it and put it on any stubborn tile stain for few minutes.
3.Scrub it with a sponge or a soft brush.
4.Wash it off with water.
Voila!!! You will get rid of tile stain in minutes.