Removing Rust Stains from a Bathtub

March 31, 2011

Someone scrubbing a bathtub.How do you get rust and other stains out of a bathtub without scratching the tub?

By Jenna from Salem, OR



November 29, 20162 found this helpful
Best Answer

I read about using "The Works" toilet bowl cleaner to remove rust from the tub and tried it. OMG..It works for real!!!! I paid $1.79 from Home Depot, squirted it all over (Use Gloves cuz it will burn your skin) took a sponge, wiped it all over and just left it soaking with the drain closed for about 1 hour. I'm so happy!!! From Nashville,Tn.

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10 More Questions

Ask a QuestionHere are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community or ask a new question.

June 7, 2013

How do I remove rust stains from a bathtub?

By Joseph Di T.


October 14, 20131 found this helpful

I tried 'nana6x's suggestion. It worked awesome! 'The Works' is at dollar tree and worked like a charm.

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May 2, 20141 found this helpful

I was surprised at how well The Works works. Rust on my fiberglass tub just kinda disolved away after 10 minutes. I was also surprised at how useless CLR and bakingsoda/vinegar were.


Just beware The Works smells strongly of rotten eggs buts it's worth it.

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October 12, 20150 found this helpful

I too use The works it does good on my toilet., but the tub is harder. It turns the real dark rust to a orange. I had to use pumice stone as the scrubber. I am disabled and have to pay someone to do it.

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February 21, 20171 found this helpful

The WORKS! Rust will honestly disappear almost instantly. Warning do not mix with bleach! The chemical reaction is toxic. Learned the hard way

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August 19, 2010

Plastic bottles of Clorox that were left in a porcelain tub for a long period left rust stains in the tub. Why?

By Jarvi from Minneapolis, MN


August 19, 20100 found this helpful

Most likely the bleach caused the stains. Many times when the product, in this case bleach, is poured from the bottle there is a residue of bleach that will run down the outside of the bottle and collect on the bottom of the bottle. If the bottle is not wiped carefully the bleach will settle under the bottle and cause staining when placed on a surface.

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August 24, 20100 found this helpful

Saturate the stains with hydrogen peroxide. Leave it on the stains, until the stains disappear, then rinse well with plain water.

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August 15, 20140 found this helpful

Chlorine, the active chemical in bleach, is an oxidizer. Rust is oxidation. Chlorine causes rust to appear much faster than mere water based moisture.

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September 9, 20160 found this helpful

I have found the best thing is to use a pumice stone for cleaning the bathtub. This works well and is very inexpensive.

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February 16, 2015

How do I remove rust from my cast iron tub?

By Patricia D.


Silver Post Medal for All Time! 255 Posts
December 3, 20170 found this helpful

Look for a product called "naval jelly' (navy uses it). Just follow the directions on the bottle.

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Gold Post Medal for All Time! 677 Posts
December 4, 20170 found this helpful

Rust-X is a product that gets good reviews.

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July 20, 2010

How do you clean rust from a porcelain bathtub?

By Anastasia from Berkeley


July 20, 20100 found this helpful

This came up just a few days ago. I recommended Bar Keeper's Friend:

It worked well for my porcelain sink!

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August 16, 20120 found this helpful

Just don't use bleach, it will set the stain in.

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July 7, 2014

I have a white porcelain bathtub that was heavily stained with rust when rusty drain clearing cable was left spread in tub. Sprayed the tub, sprinkled Bar Keepers Friend on stain. Wet cloth and lightly scrubbed the tub. The rust disappeared 90% first application. Repeated day latter only traces of faint rust shows I am not sure how many times I can use BKF, their web site says remove after one minute.

By UncleDaveM

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ThriftyFun is one of the longest running frugal living communities on the Internet. These are archives of older discussions.

March 31, 2011

How do I get rust stains out of a fiberglass tub?

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October 27, 2009

How do you remove rust stains from a bathtub?

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November 16, 2010

How do I remove rust stains from the bathtub?

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January 5, 2010

I have rust stains on an old fiberglass tub. What type of vinegar do I use to remove the stains? Apple cider or white vinegar?

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