There is no warranty against shade variation, staining, scratching or wear on natural stone surfaces. All merchandise is sold “AS IS” condition and there are no warranties of any kind for natural stone. Normal housekeeping is the best way to maintain your granite. Clean your stone after each meal or countertop use. If a person cleans after each meal, there is very little possibility of ever staining the granite countertop. Clear warm water or a stone cleaner can be used to remove surface scum, food and/or any other deposits left on the surface. No other soaps, detergents, or cleaners should be used on the stone.