For harder to clean stains on ceramic/
Mix equal parts white vinegar and hot water in a spray bottle or bucket and apply generously to the stained area. Leave for about twenty minutes before scrubbing with a cloth or soft brush, then rinse clean.
Hydrogen peroxide, the active component of oxygen bleach, gives baking soda an added punch to clear any yellow stains. For antique or colored porcelain, hydrogen peroxide and oxygen bleach are the most effective household cleaners for tough stains.
Soak the sink with a bleach solution.
Lightly shake the bottle to mix the solution. Open the window or turn on your bathroom fan before you start spraying the bleach solution, as this will provide ventilation. Then, spray the bleach solution over the entire interior surface of the ceramic sink.
Porcelain is a highly durable material for dental restorations, but it is not entirely indestructible. Stains will not penetrate the surface of quality porcelain restorations unless the porcelain has been damaged by: Highly abrasive toothpastes that wear away the outer glaze of the porcelain.
Many homeowners ask if Magic Erasers® can be used on porcelain or if they will damage ceramic tile. The good news is that they can be safely used on ceramic tiles and porcelain, so you have nothing to worry about if you plan on using them this way.
Stay away from bleach and harsh chemical cleaners that contain substances like hydrochloric and sulphuric acid as these can damage the finish of your brand new sink. You should also avoid using bicarbonate of soda and vinegar as these can leave marks on the ceramic surface.
Fear not: if the chip has only just occurred and you still have the broken piece at hand, you can a ceramic sink is quickly repaired with an epoxy adhesive. But even if you don't, or that piece is broken beyond repair, using an epoxy putty to fill the gap is just as simple.
Use a Magic Eraser to remove stains and soap scum
If you are looking to avoid using chemicals altogether or if marks are particularly rugged, then cleaning with a Magic Eraser can help achieve the perfect shine with no extra product. 'Use a Mr. Clean Magic Eraser to quickly scrub your porcelain sink.
For harder to clean stains on ceramic/fireclay sinks, we recommend using an equal-parts water and bleach solution or non-abrasive cleaner. Always rinse your sink thoroughly after cleaning and dry with a soft dry cloth to restore its original shine.
Put a cup of hydrogen peroxide in a spray bottle. Spray evenly over the porcelain. Let the hydrogen peroxide sit for 15 minutes to an hour. Rinse and buff with a microfiber cloth for a clean, bright shine.
The brown stain is from a large amount of iron in your water. It is closely related to simple rust that you see on metal, which is iron oxide. Your water probably comes from groundwater that filtered through rocks containing iron-rich minerals on its way to the well.
Tip. For very stubborn food, pour a mix of water and white vinegar (2 cups water to 1/2 cup vinegar) into the pan and leave it to soak overnight. You can also put this mixture in the pan and heat it to boiling for a few minutes to try loosening the stain.
Both tiles are clay-based and kiln-fired, but porcelain is technically a specialized type of ceramic. The clays used to make porcelain have a higher density and are fired longer at a higher temperature than ceramic. The difference in ingredients and production methods creates types of tile with unique characteristics.
A 50% mix of water and white vinegar can be used to remove limescale deposits, ensure to rinse thoroughly after use, do not leave the vinegar in contact with the surface. A nylon scratch pad or toothbrush can be used on difficult areas. Dry the sink after use to delay future build up.
The disadvantages of ceramic sinks are much smaller, but they should also be considered before buying. First, sinks made of this material are quite heavy and difficult to install them yourself. Secondly, the ceramic surface is not resistant to strong shocks. If you drop something very heavy into the sink, it may crack.
In order to keep your sink in perfect condition, refrain from scrubbing the stain with anything too abrasive (steel or wire wool pads, etc.) as this may cause superficial damage to the ceramic.
The combination of hard and soft structures within the “sponge” is what makes the magic. Melamine foam is harder than what makes up most stains, but it's softer than most of the surfaces those stains are on. This allows the Magic Eraser to remove stains without scratching the surface underneath or around the stain.