what causes mold to grow in my toilet water
Quick Answer. The most common cause of mold in a toilet bowl is stagnant water. Stagnant water occurs when the toilet is not flushed on a regular basis. Additional causes include mold spore growth in the toilet tank as well as the transfer of mold spores into the toilet bowl via toilet brushes and tools. Continue Reading.
This constant state of. moisture encourages the growth of bacteria, molds and mildew, which form into toilet. bowl rings and the other staining and discoloration. Minerals in the water supply and. even the chemicals used to clean can lead to toilet bowl rings and the staining and.