If you have a problem of backed up showers, tubs, or toilets, then you should know that this problem is most likely linked with your main line. Special tools are required in order to halt the water supply from coming into your home. Most homeowners do not own such advanced equipment and a professional plumber hoppers crossing will only be able to handle such equipment properly. You should seek assistance of a plumber who has the ability to professionally arrest the supply of water completely from entering your home.