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Fire & Water - Cleanup & Restoration

Bleach Does Not Kill Mold

8/24/2022 (Permalink)

Blog post picture Watch out for these signs of mold!

The Environmental Protection Agency (EPA) does not recommend using bleach to kill or remove mold. The idea that bleach can kill mold is a myth!

The chemical structure of bleach makes it unable to penetrate porous surfaces like drywall or wood, which means that mold membranes will simply retreat deeper into whatever surface they are on to avoid the chemical. Once first exposed to bleach, the mold recognizes it as a threat and can actually use it as a fungal food to grow more rapidly. 

That's right - using bleach to kill mold can actually worsen the problem, and depending on the amount of bleach and concentration may even damage materials and structures. 

Mold can grow anywhere inside of your home where moisture is present and there is a food source. Mold flourishes in moist environments, so from a small leak in the wall or improper attic ventilation can lead to mold growth. If you notice any signs of excess moisture such as water spots, floors buckling or bubbling, make sure to have a professional come inspect it. 

If your basement has flooded or has ongoing excess moisture, make sure to have that evaluated as well. These preventative measures can help you save money prior to mold growth occurring. 

If mold is discovered, do not try to clean it yourself. Sprays and chemicals can often worsen the issue. Remember, there is no one solution to kill mold. The cause must be treated, then the mold is to be professionally mitigated so all of it can be removed. 

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