First rule for proper care of your countertops, table tops, vanities, etc.: make sure they are properly sealed. To check, spill a little bit of water onto them and give it a few minutes, then wipe up the water.....
The problem of yellowed white marble is not uncommon. All over the United States I have encountered marble that has turned yellow, and even brown. Although flooding is a common cause there are several other reasons this color change will occur.
Worried about stains on your marble, granite and other natural stone, but not sure whether you should have it sealed? This article outlines the pros and cons.
We get many calls from homeowners asking for Marble Cleaning services. While we do offer marble cleaning, we rarely find that what the customer is actually looking for is in fact 'cleaning' of their marble.