If concerned about putting any kind of bleach on an antique porcelain sink use white vinegar instead.
Best product to clean white porcelain kitchen sink.
For all of the cleaning strategies we discuss we advise going over your porcelain sink with mild dishwashing soap hot water and a damp sponge just like you would use when you clean a granite sink.
For a monthly deep cleaning of your white sink mix together a gallon of warm water a 1 4 cup 59 ml of baking soda and a 1 4 cup 59 ml of ammonia.
Then i take out my handy dandy spray bottle of hydrogen peroxide and liberally spray the sink.
If your porcelain sink is white pour some bleach into it.
Use dish soap to prep your basin and get any light stains greasy residue and food build up out of the way.
Discard the bleachy paper towels and rinse sink completely with clean water.
Scrub your sink with baking soda and ammonia.
Soak a non scratch sponge in the mixture and completely scrub your sink s surface down.
Let the bleach sit for 30 60 minutes then drain your sink and rinse it out thoroughly.
The first step is to wipe down the sink so it s fairly dry.
Cleaning a porcelain kitchen sink.
If you d like to spray vinegar as well this would give your sink a complete disinfecting.
Then i walk away and go to bed.