Black Mold In Toilet: Causes And Solutions 

Black Mold In Toilet
Mold. Aspergillus. Detergents, household gloves, a sponge, a bucket on a white wall background with a black fungus.

Black mold in toilet cleaning more challenging. In many cases, these toxic fungi can grow thick in the restroom’s damp surfaces. The earlier you remove them, the less toxicity you’ll be exposed to. On the other hand, neglecting their growth may cause severe health conditions. In this blog, you will know about Black Mold In Toilet: Causes And Solutions.

Suppose you see black molds in your toilet. In that case, you may want to know the causes of these fungi to prevent them from recurring. Apart from the reasons, you may want to know the solutions that could get rid of them. This way, you could find the most suitable and natural methods in black mold removal. For these purposes, here’s an article to guide youon black mold in toilet. So, read on!  


Knowing the typical causes of black molds will help you in avoiding them. To start with, here are some of them: 

  • Home Floods 

Flooding generally leaves your toilets damp for some weeks. Typically, they may take days or weeks to be completely dry. In many cases, the floodwater soaks the floors and other fixtures. Because of this, these parts became a perfect place for mold growth, including black molds.  

That’s why many property owners seek the services of professional mold cleanup companies, such as Rescue Clean 911 and others, to resolve their mold issues. Here’s  to see how these companies work. 

  • Lack Of Maintenance 

Black molds may also grow in areas where defective heating, ventilation, and air conditioning system are situated. Typically, these defects may result in leaks and puddles of water that could attract mold growth. In other words, if these units aren’t maintained well, the chances of an increasing black mold population are higher than usual.  

  • Leaks 

Leaks from pipes and faucets may dampen walls and floors in toilets. Because of the moisture, these spaces become an ideal breeding ground for black molds. In many situations, the molds grow where or near to the spaces where leaks drip into. At times, they thrive in hard-to-reach areas, such as the bottom of washing machines, because they take longer to dry.  

Black Mold In Toilet: Causes And Solutions 

  • Damp Clothes 

While this may seem too basic, wet clothes could contribute to black mold growth, especially in areas that may take longer to take moisture out. Apart from it, even clothes that aren’t very wet could still contribute to mold growth as they could increase humidity levels that affect any room in the house.

  • Humidifier 

Humidifiers could help improve the air quality inside a house. However, it could also increase the moisture and humidity levels in an area. Furthermore, humidifiers could spread the mold spores even reaching the toilets, leading to the spread and large-scale growth of black molds.   


In many cases, hiring a professional mold removal company is the best option you could take. Generally, these companies have the workforce, skills, and tools to remove toxic molds successfully. Yet, if you opt for a less expensive way of eliminating molds, you may try the following solutions: 

  • Baking Soda 

Since baking soda is safe for kids and pets, you could use it entirely in any space of your home. You may just need to create a paste out of 50% baking soda and 50% water. Before applying this mixture to a moldy surface, you may need to scrape the thick parts with a brush or similar tool. After that, you could brush the concoction evenly on the affected surfaces. This way, the recurrence of mold growth is prevented.  

  • Vinegar 

Vinegar works as it is because of its high acidity. In many cases, you may need to pour a bottle of vinegar into a spray bottle. Then, spray the vinegar evenly on the moldy surfaces like the tiled walls and floors inside the toilet.  

  • Hydrogen Peroxide 

This mold removing chemical could be the best option for DIY mold removal. To prepare for the mixture, you need to mix one part 3% hydrogen peroxide and two parts of water in a spray bottle. Let the mixture settle for a minimum of 10 minutes before you spray it directly to the moldy areas.  

If the molds are tightly placed on the walls and floors, you may need a scraper or any pointed object to detach the molds. You could soak a cloth or towel in the solution and use it to scrub the moldy surfaces for better results. You may also use hard brushes if the molds are really thick.  

Wrapping Up 

Whether you’re living in an old house or a newly built one, you need to know the fundamentals of black molds. This way, you’d know the situations you may need to avoid. Since toilets are generally wet, they’re the most prone to black mold growth. Because of this, knowing the solutions could help you get rid of the molds fast. That way, you, your family, and your pets could be safe against these hazards.


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