If your bathroom is starting to look tired and shabby to you, it may just be because the grout in the tiles is dirty. When grout is dirty and grimy, it can make an entire bathroom or kitchen look dingy. Grout tends to catch and harbor all of the stains and dirt that you clean from the tiles, this is why it is a good idea to clean the grout regularly. Dirty grout can be fixed with a bit of elbow grease and some scrubbing. Unfortunately, this...