how to get rid of mold in shower? Bathroom mold is one of the most common problems in the house. Mold can start out as just a small spot and become a health hazard quickly. Mold growing anywhere in your house can be dangerous and should be removed. If mold has begun to grow in your bathroom you need to remove it immediately. You can Remove mold and mildew from the grout between your bathroom tiles easily. Mix equal parts of chlorine bleach and water in a spray bottle, and spray it over grout.