Treat stains with hydrogen peroxide or baking soda and ammonia.
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.
Dishwashing liquid works well as a regular cleaner for a porcelain bathtub as does a diy scum fighting remover of vinegar dish soap and cornstarch.
Materials required baking soda dry abrasive cleaner hydrogen peroxide white vinegar.
Treat stubborn stains with oven cleaner.
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.
Rinse your bathtub thoroughly and dry with a soft cloth.
You can soak the area with hydrogen peroxide for 5.
Get yourself a nice large bucket 5 gallons and mix in it 2 gallons of water and cups of white vinegar.
Get an old towel shirt or rag and dampen it.
Sponge wipe the tub with a solution of warm water and one fourth cup each of baking soda and ammonia.
Combine 1 gallon 3 8 l of water and 2 tablespoons 30 ml of dishwashing.
Combine hot water with dishwashing soap.
Use a sponge and soak it in the white.
Use a rag or soft sponge to scrub the porcelain and then rinse well with water.
Kerr suggests using a pumice scouring stick to scrub away stains noting that they also work well on stained porcelain toilets.
Cleaning a porcelain enamel tub 1.
Dip the sponge in the solution scrub and repeat.
The reader s digest version website suggests spraying the stained sections of your porcelain tub with a commercial oven cleaner.
Using this give the inside of the tub a really good wipe down.
Wipe down your tub.
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.
Pour warm water into a bucket and mix cup of baking soda and cup of ammonia while baking soda is slightly abrasive.
Let the cleaner sit for two to three hours to give it time to draw out the stains.
Soak a non abrasive sponge in the baking soda ammonia solution and scrub the surface of your porcelain bathtub or sink.