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Stubborn water yellow stain in bathtub

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Jan 10, 2014, 12:47 AM
Stubborn water yellow stain in bathtub
I have this yellow stain right below the bathtub faucet. I tried to remove with bleach, Clorox 2, brush and it's still there. Any tip or trick to get rid of this? Or should I just sand paper over it and repaint?

Jan 10, 2014, 07:55 AM
Last thing you want to use is any abrasive.
It would wear off the finish that protects the tub.

Pick up a product like "The Works".
Any dollar store, Wal-Mart, grocery store should have it.
It's powerful stuff, one squirt and it's gone.
Just rinse it off.
May want to consider a water softener to remove the iron.

Jan 10, 2014, 11:53 AM
Sometimes a paper towel saturated with straight white vinegar can dissolve any hard water deposit that often can hold onto a stain like this. Leave it wet and pressed down, in contact with the area overnight.

A Pummie pumice stone (Used while there is water above the area, in order to keep it wet) can also remove hard water scale. Often the scale is where the stain has adhered, not into the actual porcelain.
Jan 10, 2014, 04:34 PM
I've had really good luck using Tide to clean bathroom stains. You could put a little bit of it on a rag and rub the stain, or put some in a spritzer and spray it on.
Jan 20, 2014, 02:28 AM
Just a quick update. I tried all of the above and none worked. Then I bought this Rush Stain Remover from Home Depot and it was awesome.

Jan 20, 2014, 02:28 AM
As you can see, 5 min after I sprayed it on, the stain was GONE. You could see the difference between area that I sprayed (top) vs. didn't get sprayed (bottom).

This message has been edited. Last edited by: quanghoc,

Jan 20, 2014, 09:02 AM
Excellent! So glad you found a product that worked on your bathtub stain.
And especially...thanks for reporting back and sharing as to what worked for you!!! You may have helped many others with similar stains.Smile
Jan 20, 2014, 08:20 PM
Glad you found something that worked well for you.

I'm curious as to what the active ingredients are?
Jan 20, 2014, 09:03 PM
Check out the link, Garden Sprite? I also really like the Goof Off line of products, but was unaware of this one. Looks like oxalic acid might be a common active ingredient?
Jan 20, 2014, 09:15 PM
Conrad, thanks for the link. At first I thought I missed it - old age, you know Wink.

It does contain oxalic acid. Now I have another use for my rhubarb plants! Just for the fun of it, I'll try using a rhubarb leaf on some tub stains, although I suspect that it's just the oxalic acid in combination with other ingredients that creates the cleansing power.

Ya never know.

Jan 21, 2014, 04:01 AM
I don't even know what oxalic acid is...too lazy to google. It just works. LOL
Jan 21, 2014, 11:37 AM
Oxalic is a compound in rhubarb stalks which can be dangerous to individuals with certain medical conditions. My father was cautioned some years ago to limit consumption of rhubarb for that reason.

The leaves have a more concentrated level and from what I've read are toxic.

On the other hand, the leaves can also be used as forms for ambitious gardeners or landscapers who want to make their own designer stepping stones. That's on my "bucket list". I think ferns and rhubarb leaves would make an interesting design combination for my stepping stones.
Jan 21, 2014, 11:48 AM
Often Oxalic acid can be purchased at hardware stores. Good for carefully bleaching out areas of wood, (that have become darkly stained), and cleaning rust stains from concrete. As with most acids, careful use/handling and limited exposure to a surface is needed.
I think using the rhubarb would not offer as much danger. Wink