You can't go wrong with Mr.Clean magic erasers. They are they greatest cleaning invention ever. They clean everything from crayon and permanent marker to soap scum and hard water stains. They are a little spendy about $ 1.50 a piece but well worth it!
Regular soap is my personal recommendation. Detergent works as well.
Since an enamel bath tub may scratch, it's best to use gentle cleaning methods. To remove limescale and many types of other stains and deposits, soak the affected areas with vinegar, then wipe off with a sponge. Hydrogen peroxide will also help many kinds of stains.
No - Bicarbonate of Soda is alkaline and will not remove the alkaline limescale. Vinegar is acidic and will therefore dissolve the alkaline limescale.
A mixture of bleach, bi carb soda and Coca Cola will remove anything. But for a tarnished bath - if it has gotten into the enamel it is sometimes better to buy new enamel paint and repaint the bath white.
Enamel bath.
Because one or more of the ingredients will react (badly) with the enamel.
When you remove limescale all i got soz.
Stains in an enamel bath may be able to be soaked out. Bleach on a cloth applied to the stain can lessen the stain and may get rid of it. An abrasive cloth such as a "Magic Eraser" may do the trick as well.
The hard material on the outside of your teeth is called enamel. Eating lemons can remove the enamel, and you don't want to do that.
A marine enamel or an epoxy paint is your best bet. However I wouldn't expect any paint to last in a bath.
you cant
How can I remove dye stain in the bath
an acid. acid dissolves limescale