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Cleaning Mold in the Bathtub

Category Mold
Your bathtub is a place to get clean. If it gets dirty and moldy then it's impossible to use it for yourself, so it is important to clean mold out of the tub as soon as possible. This is a guide about cleaning mold in the bathtub.


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May 5, 20050 found this helpful

The cheapest and best way to get rid of mold in the bathtub area is to mix bleach and water in a spray bottle. Spray and walk away! Turn on the fan in the bathroom or open a window for an hour or so. You can rinse if you like, but you don't have to.

By Diana

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By 0 found this helpful
August 30, 2005

I live in an old apartment and my bathroom seems to have lots of impenetrable stains on the grout and caulk. I've tried Tilex, 409, bleach, but none seem to do much. I was reading one post about natural enzyme products. Does anyone have any opinions about these? Where do you find them?


By Linda. (Guest Post)
May 25, 20040 found this helpful

I too, would use bleach, or rubbing alcohol, which is 50 cents/pint. Bleach kills mold and mildew, just don't get it on carpet, or use with ammonia. (toxic fumes)

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By Ann (Guest Post)
August 31, 20050 found this helpful

I don't know about cleaning the grout. As for the caulk, if it looks really bad I would simply replace it.


If you haven't done this before, they can explain it to you at Home Depot or check out google. It may be easier and faster than lots of scrubbing.

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By Kris (Guest Post)
September 1, 20050 found this helpful

I stood over the edge of my bathtub while pouring peroxide over a cut on my foot. When I finished, I noticed that the peroxide had cleaned the grout and side of my tub where a rust stain had been. I had tried EVERYTHING to get that rust stain out and accidentally pouring peroxide on it cleaned it within seconds!

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By Lisa (Guest Post)
December 18, 20060 found this helpful

Any acid based or bleach based cleaner will corrode and loosen your grout. This includes vinegar. If your grout was not sealed properly, you will need to clean it as best as possible with non-corrosive products, then buy "grout colorant" to cover the old stains, and finally seal it properly with a grout sealer.


As far as the caulking goes. If you are getting discoloration and mold quickly, you probably have the wrong type of acrylic, bath, caulk installed. With regular cleaning, you shouldn't get the black mold.

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April 24, 20100 found this helpful

Rubbing alcohol has been proven dangerous to continuously breathe in. Using pure vodka, which is a pure alcohol is much safer. A bit more expensive, but the risk with rubbing alcohol is too high.

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July 14, 2009

I have mold on my silicone around the bath that is driving me mad. What can I use?

By Nicola Prichard


July 15, 20090 found this helpful

Mix up some bleach and water and apply to cauking. Wait until mold has dissolved then rinse well with water.


Silicone will deteriorate over time. Then it has to be scraped out and replaced with fresh silicone.

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July 17, 20090 found this helpful

If the mold was not cleaned before the silicone caulking it will be behind the bead, not on or in
the bead, unless the mold has grown through the bead from the inside.

This is my case. I don't seem to be able to get rid of the mold inside the tub wall, so I have no way
of bleaching the silicone beading that will work. I plan to try again and do even a better job than whomever let it get so bad in the first place many years ago. If it takes a month of bleaching and drying out, and repeating, I intend to let this application be the last one!

Good luck to you, as well. : )

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July 17, 20090 found this helpful

I soak pieces of cotton ball and stick them on the moldy places and leave them for awhile - may need to be repeated if it's really bad. Hope this works for you and God bless you.

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August 27, 20040 found this helpful

I have a fiberglass tub. However, the glue that adheres to the base has started to turn black and is hard to remove. I've tried everything, can someone provide me with some suggestions on how to clean up this ugly mess.


Editor's Note: I believe this request is referring to the caulking at the base of the tub.


August 28, 20040 found this helpful

Well last night I was cleaning my tub for the first time with a Mr. Clean Magic Eraser and not only did it clean the tub, floor and mildew, it damn near took the caulking off it did so well. You should give it a go, I'd bet it works for you too.

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By Connie (Guest Post)
August 30, 20040 found this helpful

Are you sure this is not mildew? If so, I would remove the caulk, clean the area with bleach and put in new caulking. In fact, my husband has just finished doing that in our shower today. If this is a shower, be sure and leave the door open after you shower to let the steam out-mildew loves warmth and dampness!!

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By Linda (Guest Post)
August 30, 20040 found this helpful

This sounds like mold. Try bleach.

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May 11, 20050 found this helpful

How can i keep mould from reoccuring on silicone around a bath?



By Suzanne S. (Guest Post)
May 11, 20050 found this helpful

I keep a spray bottle filled with diluted bleach in the shower and just spritz the shower down when I'm done using it. No mold, mildew or soap scum anywhere. Hope this helps.

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By Diana (Guest Post)
May 12, 20050 found this helpful

Mix bleach and water in a spray bottle and spray silicone, walk away for a few hours and come back, it will be gone. Use about 1 part bleach to three parts water

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