Darkness from moisture in a poultice application can wick out beyond the original stained area. This is not a stain, and the problem is easy to resolve.
Stone countertops, continually exposed to oily or dye-containing substances, are subject to staining. Read this article to learn about countertop protection.
Some natural stones that are definitely not granite are being sold as if they were. Here are some ways you may be able to tell whether it really is granite.
Learn how to clean up bird droppings on natural stone, remove the stains that may persist after cleaning, and avoid having to do the same thing again next week.
Streaking is a cloudy, uneven pattern on the surface of natural stone floors. This article explains the causes of streaking and what you can do to get rid of it.
Property owners and managers are often "up-sold" specialized services for natural stone by well-intentioned but unqualified janitorial and cleaning services.
Differences between porcelain and ceramic can impact the cost, appearance, and longevity of your installation. Read this article for important info you should know.