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Thread: Rusty Tub

  1. #1
    DIY Junior Member Toy's Avatar
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    Default Rusty Tub

    Please explain why my tub keeps rusting like this. I've applied CLR (Calcium Lime & Rust) 3 times and it keeps going back to its usual stage. What can I do to save me some money or should I just call a professional?
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    DIY Senior Member Reach4's Avatar
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    Is that the only place with such rust? The inside of your toilet tank is not rusty?

    Is the finish all worn off there? If not , try putting a plastic container over that spot, and see if the rust is dripping down from the shower head.

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    DIY Junior Member Toy's Avatar
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    It's the only place. I don't think it's the shower head. And yes the finish is worn.

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    DIY Senior Member Reach4's Avatar
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    Search for tub refinishing OR reglaze in your favorite search engine. I don't have personal experience with that, but you should find a lot of references in a search engine.

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    DIY Senior Member dj2's Avatar
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    I would look into replacing the tub.

    You can re-glaze it for about $300, and it would last 2-5 years.
    You can clean it weekly - for the price of a cleaner.
    Or you can install a new tub: an enamel steel tub (about $225 + labor) is good for 10-20 years. Cast iron (Kohler is around $400 + labor) is good for longer. YMMV.

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    Forum Admin, Expert Plumber Terry's Avatar
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    Are you sure that's not rust from the water?
    Often we get a bit of rust in the tub from the galvanized pipes.
    Even a home run in copper may have galvanized pipe for the tub spout.

  7. #7
    DIY Junior Member Toy's Avatar
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    Just that little spot will cost me $300?. Wow!! I'm just a renter. I showed the landlord, he humped his shoulders and said it could be iron in the water that's causing it. Which means he didn't care I guess. I probley won't be replacing the tub nor reglazing for that price. But thanks so much!

  8. #8
    DIY Junior Member Toy's Avatar
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    Quote Originally Posted by Terry View Post
    Are you sure that's not rust from the water?
    Often we get a bit of rust in the tub from the galvanized pipes.
    Even a home run in copper may have galvanized pipe for the tub spout.
    Yea he stated that it could be the water. But he said the water could have iron in it.

  9. #9
    DIY Senior Member Reach4's Avatar
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    Try putting a plastic container over that spot, and see if the rust is dripping down from above.

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    DIY Junior Member Toy's Avatar
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    Quote Originally Posted by Reach4 View Post
    Try putting a plastic container over that spot, and see if the rust is dripping down from above.
    Ok going to try that now. Keep you posted!

  11. #11
    DIY Senior Member dj2's Avatar
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    Quote Originally Posted by Toy View Post
    Just that little spot will cost me $300?. Wow!! I'm just a renter. I showed the landlord, he humped his shoulders and said it could be iron in the water that's causing it. Which means he didn't care I guess. I probley won't be replacing the tub nor reglazing for that price. But thanks so much!
    Re-glazers do entire tubs.

    About the landlord: the least he could offer you was a whole house filter ($20 + $6 for a filter at Lowes). Ask him about it.
    Last edited by dj2; 10-29-2013 at 02:06 PM.

  12. #12
    Moderator & Master Plumber hj's Avatar
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    IT looks like an enameled steel tub and if so the finish is gone in that area and the steel is rusting through it. I would never invest a penny into refinishing a steel tub, nor would I install one, unless the customer bought it so I did not have to guarantee its performance or durability.
    Licensed residential and commercial plumber

  13. #13
    DIY Junior Member Toy's Avatar
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    Quote Originally Posted by Reach4 View Post
    Try putting a plastic container over that spot, and see if the rust is dripping down from above.
    Its not leaking.

  14. #14
    DIY Senior Member Reach4's Avatar
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    I guess you could try car wax on the spot after you clean the rust off, and dry the spot after each tub use. Reapply wax as needed.


    Read about https://www.rustoleum.com/CBGProduct.asp?pid=116

    I have no personal knowledge of it. I don't know how it would be as a touch up vs covering the whole tub. Consult with the landlord beforehand.
    Last edited by Reach4; 10-30-2013 at 11:47 AM.

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