Return to the Cleaning Tips Forum | Post a Follow-Up

Cleaning bathroom tile stains

Posted by sum_dum_guy (My Page) on
Sun, Sep 27, 09 at 17:42

I am renting. My bathroom has nice gray-ish floor tiles but the previous tenant left some yellow stains on them. These stains are right in front of shower, toilet and sink and seem roughly rectangular in shape. This is very suggestive that they formed under some rugs that were there for a while. I have no idea of their composition but these are very resistant stains. I tried everything under the sun and they are still there. I tried water, soap, 409, citric acid, Tide detergent, OxyBoost, almost all spot cleaners at Ace Hardware and Home Depot (some generic ones like ZEP, others with esoteric names I cannot remember).
My question is: what is the likely chemical composition of those stains and what is likely to get them out short of re-tiling the bathroom?

Follow-Up Postings:

RE: Cleaning bathroom tile stains

Oh, yes, I also tried Zud which contains oxalic acid. In all cases I soaked the surface for 3-4 hours and for some cleaners I did overnight. So my feeling is that acids either do not work or very strong acids are needed where tile damage is likely. Given that this is a rental, I am looking for more gentle approaches.

RE: Cleaning bathroom tile stains

When you place rubber-backed carpets on vinyl flooring, the vinyl will discolor. Permanmently. Nothing gets it out. White vinyl develops a yellow stain, haven't seen the effect on gray. Make sure the landlord knows that this predated your move-in.

RE: Cleaning bathroom tile stains

My floor is definitely not vinyl though I am not sure what kind of tile it is. Would poultice work?

RE: Cleaning bathroom tile stains

Try clear ammonia full strength. Wear rubber gloves and ventilate the room well. Apply a generous coat on the stain, leave it on for a few minutes, then wipe it off. If that doesn't work, nothing short of a stick of dynamite will remove that stain.

 o Post a Follow-Up

Please Note: Only registered members are able to post messages to this forum.

    If you are a member, please log in.

    If you aren't yet a member, join now!

Return to the Cleaning Tips Forum

Information about Posting

  • You must be logged in to post a message. Once you are logged in, a posting window will appear at the bottom of the messages. If you are not a member, please register for an account.
  • Please review our Rules of Play before posting.
  • Posting is a two-step process. Once you have composed your message, you will be taken to the preview page. You will then have a chance to review your post, make changes and upload photos.
  • After posting your message, you may need to refresh the forum page in order to see it.
  • Before posting copyrighted material, please read about Copyright and Fair Use.
  • We have a strict no-advertising policy!
  • If you would like to practice posting or uploading photos, please visit our Test forum.
  • If you need assistance, please Contact Us and we will be happy to help.

Learn more about in-text links on this page here