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How to Clean Mold With Bleach

Category Mold
Bleach can be used on non-porous surfaces to clean mold. Use a ratio of 1 cup bleach to 1 gallon of water. Avoid combining with any other products as toxic fumes may result. This is a page about how to clean mold with bleach.


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September 9, 2011

A very easy way to remove mold from the corner of bathtub wall is explained here. Have the Clorox bleach, not the bathroom cleaner, but the laundry bleach, in a small paper cup and pour this on the mold and around the tub corner. Leave it 10 minutes and then rinse the place with water. Then do the regular cleaning with your bathroom cleaner. You will get amazing results.

You can put the bleach in the spray bottles and spray on the shower walls. Then rinse with water. Then do the regular cleaning.

Concentrate on a small area at a time time, because the bleach has a heavy smell. Be careful about getting it on your hands and in your eyes. Do open the door and window.

By chellammal from Alpharetta, GA

Editor's Note:Use caution as bleach is very toxic, especially in enclosed spaces. Use proper breathing protection and ventilation. Here is some information from the EPA regarding bleach used for mold cleanup:
If you choose to use disinfectants or biocides, always ventilate the area and exhaust the air to the outdoors. Never mix chlorine bleach solution with other cleaning solutions or detergents that contain ammonia because toxic fumes could be produced.

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September 9, 20110 found this helpful
Top Comment

You should NEVER use bleach to remove mold! Mold and chlorine release a toxic gas when they come together that can make you sick or worse. All you need is a foaming bathroom cleaner or plain white vinegar.

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September 12, 20110 found this helpful
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I am in the middle of Hurricane Irene country and one thing on all the donation request lists is bleach. There are times when bleach is the most effective mold killer. Of course it should be used properly and with caution, as should any cleaning product. I think for these unfortunate people the mold in their houses is much more dangerous than the bleach.

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June 29, 20180 found this helpful
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From the EPA website: "Biocides are substances that can destroy living organisms. The use of a chemical or biocide that kills organisms such as mold (chlorine bleach, for example) is not recommended as a routine practice during mold cleanup.


There may be instances, however, when professional judgment may indicate its use (for example, when immune-compromised individuals are present)."

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Bleach kills mold but you need to find out why it's there in the first place and do something to prevent or it'll come back. I'd use something like Soft Scrub which has bleach in it to really clean first and then spray with straight bleach (open the window!) and let this set for as long as you can. Rinse well.

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