Just a simple mixture of baking soda and vinegar will take away all gunk and stains that you could throw at your sink. I suggest making a paste in the sink, so you can best gauge how much you need, but just sprinkle baking soda over the entire bottom surface then drizzling a light amount of vinegar over top.
If concerned about putting any kind of bleach on an antique porcelain sink, use white vinegar instead. Add undiluted white vinegar to a spray bottle and spray the sink, then use a non-abrasive sponge and circular motions to clean the porcelain.
Baking soda creates a soft scrub that can tackle minor stains in a sink without marring the porcelain.
A baking soda and vinegar solution is perfect for cleaning a porcelain sink and removing stains. Make a paste out of the two ingredients and use a soft-bristled brush (such as an old toothbrush) or cloth and your finger, to apply and scrub the stained area.
For tougher stains and deep-cleaning
Step 1: Get your sponge or microfiber cloth wet then sprinkle the sink with baking soda. Step 2: Scrub the baking soda into the sink in circular motions. Pour a small amount of hydrogen peroxide onto the sponge or cloth and continue scrubbing.
For white porcelain only, bleach can be used to remove stains; never use chlorine bleach in colored or vintage porcelain, as it can damage the finish. For both white and colored porcelain, liquid oxygen bleach—such as hydrogen peroxide—is a good alternative.
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.
Both baking soda and vinegar are highly caustic. They are, in fact, able to dissolve certain materials that one would not normally think of as being dissolvable. However, the extreme amounts of acid in vinegar, along with its acidic nature, are what cause the drain to become blocked.
Glazed Porcelain: Keeping your glazed porcelain sink in shape couldn't be simpler. Use Soft Scrub with Bleach Cleanser or Soft Scrub with Bleach Cleaner Gel to free your sink of soap scum, dirt, and stains.
Dampen your sponge and, using the soft side, start to scrub the basin in circular motions (our sponge with a loofah scourer would be perfect for this). Baking soda isn't too coarse, so it will clean without scratching your sink (if you're worried about scratches, swap your sponge out for a cloth).
White vinegar costs less than the common store-bought cleaners, but can still effectively disinfect any surface without leaving a chemical residue. Cleaning floor tiles with vinegar is safe, as long they are porcelain or ceramic.
For regular cleaning, just sweep away debris, wipe with clean water, and thoroughly dry. For deep cleaning, use a pH-neutral or mildly alkaline detergent. Use a nylon or plastic scrubber, if needed.
Fighting against traces of lime scale on your bathroom tiles can be done with natural products such as lemon juice, white vinegar, baking soda, citric acid and anti-lime scale chemicals. The porcelain tiles and traces of limescale.
It can be annoying to discover stains on your glazed porcelain tiles. However, they are easy to remove with the right utensils and solutions. You can use a commercial product safe for glazed porcelain tiles or use white vinegar. Use a warm-water wash with vinegar at half strength to remove the stain completely.
Sprinkle With a Layer of Baking Soda
Sprinkle some baking soda over the stains or directly onto a damp sponge or microfiber cloth when you're ready to deep clean your sink. Scrub lightly and in a circular motion.
You can use Scrubbing Bubbles multi-surface bathroom cleaner on glazed ceramic tile, stainless steel, chrome fixtures, fiberglass, vinyl, glazed porcelain, glass, laminate, Corian, sealed granite and quartz surfaces.
A major cause of yellow staining in a bathroom sink is hard water, or water with an overabundance of minerals. This source of staining is especially likely if your home uses well water.
For a sink that requires major work, a repair kit made specifically for porcelain sink restoration may be worth the cost. These kits typically include an abrasive cloth to buff the nick and surrounding space, and a gloss or glaze to fill the damaged area.
After cleaning and drying the porcelain sink, consider using lemon oil as a finishing polish. In addition to restoring the sheen to the porcelain surface, it also creates a protective barrier to further prevent stains. If you have scuffs and scratches, use baking soda and water to form a paste.