Combine 1 gallon 3 8 l of water and 2 tablespoons 30 ml of dishwashing.
Clean old stained porcelain tub.
Sponge wipe the tub with a solution of warm water and one fourth cup each of baking soda and ammonia.
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.
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.
Get yourself a nice large bucket 5 gallons and mix in it 2 gallons of water and cups of white vinegar.
Kerr suggests using a pumice scouring stick to scrub away stains noting that they also work well on stained porcelain toilets.
Pour warm water into a bucket and mix cup of baking soda and cup of ammonia while baking soda is slightly abrasive.
Combine hot water with dishwashing soap.
Let the cleaner sit for two to three hours to give it time to draw out the stains.
Using this give the inside of the tub a really good wipe down.
Use a sponge and soak it in the white.
Soak a non abrasive sponge in the baking soda ammonia solution and scrub the surface of your porcelain bathtub or sink.
Cleaning a porcelain enamel tub 1.
One example is shawspads.
Rinse your bathtub thoroughly and dry with a soft cloth.
The reader s digest version website suggests spraying the stained sections of your porcelain tub with a commercial oven cleaner.
Get an old towel shirt or rag and dampen it.
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.
You can also use cleaning screens like lightweight sandpaper for your tub.
Dip the sponge in the solution scrub and repeat.
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.