Soak a non abrasive sponge in the baking soda ammonia solution and scrub the surface of your porcelain bathtub or sink.
Clean old stained porcelain tub.
If your tub has a tough stain you can break out some cleaning screens which are similar to lightweight sandpaper.
You can soak the area with hydrogen peroxide for 5.
Pour warm water into a bucket and mix cup of baking soda and cup of ammonia while baking soda is slightly abrasive.
Rinse your bathtub thoroughly and dry with a soft cloth.
Materials required baking soda dry abrasive cleaner hydrogen peroxide white vinegar.
Sponge wipe the tub with a solution of warm water and one fourth cup each of baking soda and ammonia.
Reader s digest also noted that you can use oven cleaner but only on white porcelain tubs as it can cause other colors to fade.
Get yourself a nice large bucket 5 gallons and mix in it 2 gallons of water and cups of white vinegar.
One example is shawspads.
Combine 1 gallon 3 8 l of water and 2 tablespoons 30 ml of dishwashing.
You can also use cleaning screens like lightweight sandpaper for your tub.
Kerr suggests using a pumice scouring stick to scrub away stains noting that they also work well on stained porcelain toilets.
Get an old towel shirt or rag and dampen it.
The reader s digest version website suggests spraying the stained sections of your porcelain tub with a commercial oven cleaner.
Combine hot water with dishwashing soap.
Dip the sponge in the solution scrub and repeat.
Use a sponge and soak it in the white.
Let the cleaner sit for two to three hours to give it time to draw out the stains.
Cleaning a porcelain enamel tub 1.
Treat stains with hydrogen peroxide or baking soda and ammonia.
Use a rag or soft sponge to scrub the porcelain and then rinse well with water.
Wipe down your tub.
Using this give the inside of the tub a really good wipe down.
For gentle weekly cleaning look for store bought cleansers that are marked safe for porcelain enamel or make your own by mixing a few tablespoons of dishwashing soap with about a gallon of hot water.