If the black marks are still visible on the sink try ammonia below.
Black marks on ceramic sink.
You can use the above method to remove any stubborn marks.
Clean and dry the porcelain sink with a sponge and dishwashing liquid soap.
Barkeepers friend is the ideal product as it can also be used for many different tasks around the house.
Clean and dry the porcelain sink with a sponge and dishwashing liquid soap.
Dry with a clean rag or towel.
Use a rubber dish mat in the sink to prevent aluminum marks in the future.
Bleach can remove any remaining stains but will damage porcelain if it s too strong.
Spray the black marks with undiluted white distilled vinegar.
Clean and dry the porcelain sink with a sponge and dishwashing liquid soap.
The black marks may.
You will find that certain pots pans and baking trays can leave black marks on a ceramic sink.
2 tom bow mono sand eraser.
The stubborn mark should be gone.
Dilute one part bleach with nine.
1 dawn dish soap directly on the sink sprinkle with powder bar keepers friend scrub with a lysol wipe and ta da beautiful glistening sink and no more marks.