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.
Clean old stained porcelain tub.
Kerr suggests using a pumice scouring stick to scrub away stains noting that they also work well on stained porcelain toilets.
Wipe down your tub.
Let the cleaner sit for two to three hours to give it time to draw out the stains.
Materials required baking soda dry abrasive cleaner hydrogen peroxide white vinegar.
Combine hot water with dishwashing soap.
Get yourself a nice large bucket 5 gallons and mix in it 2 gallons of water and cups of white vinegar.
Rinse your bathtub thoroughly and dry with a soft cloth.
If your tub has a tough stain you can break out some cleaning screens which are similar to lightweight sandpaper.
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.
Sponge wipe the tub with a solution of warm water and one fourth cup each of baking soda and ammonia.
Cleaning a porcelain enamel tub 1.
Combine 1 gallon 3 8 l of water and 2 tablespoons 30 ml of dishwashing.
Soak a non abrasive sponge in the baking soda ammonia solution and scrub the surface of your porcelain bathtub or sink.
Using this give the inside of the tub a really good wipe down.
Treat stubborn stains with oven cleaner.
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.
You can also use cleaning screens like lightweight sandpaper for your tub.
One example is shawspads.
Get an old towel shirt or rag and dampen it.
Use a sponge and soak it in the white.
A dull or streaked tub might shine up to presentable status with a little elbow grease.
You can soak the area with hydrogen peroxide for 5.