Metal finishing Q&As since 1989
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Remove Green (copper) Stains on Enamel Bathtub
Q. I have moved to this new house which was closed for about 4 months. I have found green stains from water dripping on enamel bathtub. I have tried lots of stain removers and salt. but in vain. I was wondering If any one has a solution?
Thanks,
Micheala Johsonhouse wife - London, U.K.
2004
A. Try white vinegar [in bulk on eBay or Amazon].
Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK
2004
Man that white vinegar worked like a CHARM! That was awesome. I've spent a good hour and a half before trying to scrub and scrape that stuff off. White vinegar took it ALL off in about 10 minutes. Perfect! Thanks!
- Dry Run, Alabama
2006
Q. I need help with stains in the tub from the mats that people put in.
James Parshalljanitorial cleaning - Olympia, Washington
2004
Q. I have been given a tentative diagnosis of electrolysis and will be looking into it shortly. Can anyone tell me how to remove the green stains in my bathtub where it is the worst? I used Lime-A-Way for the sinks but am having a real hard time with my bathtub. Can you advise me?
Alice O'Hara- Islesboro, Maine
April 15, 2009
A. I discovered my own solution and it had been under my kitchen sink all along. It is the powdered cleaner Zud [adv: Zud on eBay or Amazon]. It comes in a can like Comet. It handles it perfectly. I found out through water analysis that the green stain is apparently due to electrolysis.
Alice O'Hara [returning]- Islesboro, Maine
April 22, 2009
White stains on beige enamel bathtub
Q. My beige enamel bathtub in our guest bathroom has turned white in places. I have no idea what caused it to do this or if there's anything I can do to remove the white 'stain'? Can anyone help me with this?
Sharon Robinson- Paget, Bermuda
October 3, 2014
A. Hi Sharon. If you who are there have no idea what may have caused the problem, it's very unlikely that someone else who isn't there can possibly hazard a guess, especially based on a vague description :-)
It could be bleaching from the sun, scouring away of the beige colored layer, hard water staining, somebody painting the ceiling and dripping paint into the tub, etc. But if you send photographs (a picture is worth a thousand words) someone might possibly recognize the general look of it. Good luck.
P.S. Maybe if my wife and I were to stay in that guestroom for a week or so this spring we could figure it out. Just kidding, but you live in a beautiful place :-)
Regards,
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
October 2014
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