Hard water, bacteria, and mildew can cause those unsightly rings.
Cleaning the toilet: It’s the one chore that no one likes to do, but must be done regularly to prevent stains. Cleaning the toilet bowl isn’t the most pleasant household chore on the list, but ...
Cleaning the toilet: It's the one chore that no one likes to do, but must be done regularly to prevent stains. Cleaning the toilet bowl isn't the most pleasant household chore on the list, but ...