If neither method works you will need to seek professional help as marble restoration experts will have access to tools that can solve the issue.
Can you do anything with cultured marble.
Use a soft cloth to make sure you do not harm the marble.
You want to avoid products such as ajax a scrubbing pad the rough side of a sponge or steel wool.
That means you can take exact measurements of your space to create a specific mold that will create a counter or fixture that perfectly fits.
You can do that yourself though it is a fairly involved process or you can hire a professional to do it for you.
While this will change the color it also changes the look of the marble resulting in a solid surface look for your vanity top.
If this process does not remove the scratch from your marble you can try carefully using a piece of fine grain sandpaper.
For a quick fix you might be able to simply apply a little gel gloss cultured marble polish using a cotton swab or small paint brush to the streaks to fill in the finish.
Cultured marble can be constructed into any shape.
Because of the unique manufacturing processes involved with the creation of cultured marble this product can be produced into virtually any shape.
For polishing you can use either car wax or countertop wax.
Do not expose them to harsh chemicals and even hot water.
Water and silica products are also suitable for polishing them.
If the water drops are left there they can easily be cleaned with vinegar via a spray bottle.
When cleaning your cultured marble you want to avoid any abrasive cleaners and pads.
Remember that cultured marble is vulnerable to scratches and dents.
If you want to preserve the look of marble seek a professional s help.
Lastly you can polish the marble using products like this one.
If you have a cultured marble shower it is recommended that you use a squeegee to remove any excess water after each shower to prevent water droplets on the walls.
To fix this you can change the color of the cultured marble vanity top as you would any other surface with a new coat of paint.