At some point and time everyone has run into problems with a slow running toilet commode. There can be several reasons why the commode is having this problem including blocked flushing passages, mineral deposits, flush ball or flapper replacement, or a clogged toilet bowl. Each cause will require different measures to repair the problem. Some DIY methods can include using a plunger, clothes hanger, a solvent, or a snake. Follow the instructions for each individual item that is used. If the problem still exists, it may be necessary to call in a professional who has the equipment that can properly locate the problem and resolve it.