It is believed that using only water on natural stone such as on granite countertops or marble flooring is safe.  There are three reasons why this is actually very bad for the occupants of the home as well as the stone itself.  But first let’s ask a question.  Would you wash your dishes with only water or take a shower using only water?  Of course your answer is no.  So why do this to your countertops?  Let’s look at why.