Begin by clearing out any dishes and debris from your sink.
Cleaning marble sink stains.
If you spilled anything oil based like a vinaigrette.
You can wet stand the stain on that cultured marble sink sure but then you ll remove the finish and end up with a bare spot.
Treat remaining stains or buildup with a cleaning agent.
A stain around the drain is likely from mineral deposits from the water that commonly sits in that area.
And you ll have to cover that spot with high gloss finish and match the sheen to the rest of the sink.
Cultured marble is a beautiful material but one that requires special care to keep it in good condition.
After this dry the sink using a soft cloth or paper towel.
Select a cleaning agent that is intended for marble or similar stone.
These stains can be the result of a water glass that was left on a marble countertop for too long or from hard water buildup around sinks and showers.
The steps below can help you clean your granite composite sink as well as remove any water spots limescale deposits and various other stains.
For most organic food stains the marble institute recommends cleaning with a solution of 12 hydrogen peroxide and a few drops of ammonia.
This product should not have abrasives which can scratch or compromise the finish of your marble.
Below are two stain removal methods.