Ceramic tiles are usually a popular choice for flooring in bathrooms and kitchens, but some people choose these types of floors for the whole house. Even with proper cleaning, in time, the tiles became less shiny. Tile and grout is not that cheap and easy to change so the normal course of action is to get it clean. You will need a specialist to do this for you just because after a while simple scrubbing won’t do it. You will need special chemicals that can be dangerous like ammonia or bleach and sometimes even stronger ones. A special cleaning of tile and grout is not necessary very often if you keep it clean on weekly basis. But if the colors gets dull, if it loses its color and shine calling a specialist is a must. Give it a try and you will be happy when you see the difference.