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Frequently Asked Questions Bathrooms tend to have a higher humidity which is very supportive for mold growth. The mold is eating organic dirt/dust which is landing on the toilet. Some molds can even grow in the water on the inside walls of the toilet water supply tank and the toilet bowl itself. You should wash the toilet frequently with Borax laundry detergent, a natural mold cleaner. You may have discovered that bleach cleans the bowl and kills the mold there. One reason it keeps coming back is that one of the 'black molds', Cladosporium, is one of the most common molds in the world, in fact it is the most common mold found in air samples collected indoors and outdoors. We are being exposed to it all the time. Even right now!!! Exposure to high levels of Cladosporium can cause allergy or even asthma in highly sensitive individuals, but it is not generally considered 'dangerous.' Cladosporium is defiantly the most common bathroom mold, it really likes warm, damp places, and in fact it does just fine in places that are even wetter than moist or damp and is better adapted to smooth nonporous surfaces than many others. So no matter how sparkly clean you get that toilet, as soon as you are finished, here come some more spores just drifting along in the air. Even though it can grow on the smooth surface it might help to give the bowl a treatment with really strong mineral and rust remover to get rid of any irregularities that give it a place to lodge. |
