Q:

What causes mold in a toilet bowl?

A:

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.

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Full Answer

Mold streaks are often confused with mildew, a thin fungus that tends to develop in shower stalls and bathtubs. Mildew is easy to remove in most cases, while mold tends to adhere to surfaces and is more difficult to remove. In addition, a particular strain of mold that is referred to as "slime mold" is extremely difficult to remove, even with the application of chlorine bleach. Slime mold is a specific classification of mold in which a slimy coating develops over the mold to protect it in certain environments.

In order to safely remove mold from a toilet bowl, the entire colony must be eradicated. Mold colonies can be removed with a strong scouring pad followed by a double application of chlorine bleach. If this process is ineffective, it is always a good idea to contact a professional mold specialist to ensure a safe assessment of the issue and efficient removal of the mold.

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    Why is there mold in the toilet?

    A:

    According to the New York Times, mold needs two things to grow, water and food, meaning that anything with organic particles can feed the mold. This can include dirt, skin cells, cotton, cardboard, dust, hair, paper, and wood.

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    Why does the water drain out of my toilet bowl?

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    A toilet uses a siphon to drain the water from the bowl down into the sewer system, according to HowStuffWorks. When several gallons of water are rapidly added to the toilet, it creates a pressure differential that causes the flush.

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    The water level in a toilet bowl is adjusted using the fill valve. The fill valve determines the water level by controlling the position of the float. Raising the float arm increases the amount of water in the bowl while lowering it decreases the level of water.

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    Why does the water level in a toilet bowl fall?

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    A common reason for a falling water level in a toilet bowl is a clogged vent. The water passing through the pipes creates a vacuum that pulls water into the drain from the bowl. Other reasons for dropping water levels include improperly installed drains and hairline cracks in the porcelain.

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