How do I clean stain in the bathtub?

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Remodeling my new house and decided to keep the tub to keep things easy but after cleaning there’s a greenish stain near drain and when I first turn on tub brown water comes out! Not sure how to clean this, I’ve used comet and Mr.Bubbles. Thx for advice!

q how to clean stain in bathtub
  9 answers
  • That's from hard water. I clean mine with a pumice stick that I bought at Lowes. It gently rubs away the hard water build up. The sound it makes is pretty awful, so wear ear protection.

  • FrugalFamilyTimes.com FrugalFamilyTimes.com on Dec 03, 2018

    See if you can find a Calcium Line Rust like CLR. Barring that, soak a rag in vinegar and let it sit on the stain to loosen the buildup the scrub.

    As for the brown water- that sounds like a pipe issue and will likely be a bigger fix- sorry!

  • Maura White Maura White on Dec 03, 2018

    Try Bar Keepers Friend - it has oxalic acid acid in it that might do the job.

  • You might try CLR for that. Or Maura could be right, Bar Keepers Friend is good stuff too.

  • Janette Haines Janette Haines on Dec 03, 2018

    I used oxiclean to some success


  • Laura Castleman Laura Castleman on Dec 03, 2018

    need to flush out hot water heater

  • Lynn Sorrell Lynn Sorrell on Dec 03, 2018

    IRON OUT,Zud,Comet Cleanser green scrubber sponge. Do you have well water? is that the only place the water comes out different color?

  • Dawn Case Dawn Case on Dec 04, 2018

    Toilet bowl cleaner- the gel kind that REALLY CLINGS. A scrubby sponge and gloves. Let sit for only a few seconds... seriously... count to 20 and wipe off. Rinse well. Work quickly and get plenty of fresh air. I know is for toilets but it will work for tub and sink stains too.

  • Dee Dee on Dec 04, 2018

    Hot white vinegar and dawn. Let sit on stain for a few hours. then rinse off

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