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Discuss Removing Black Grout Stains? in the Tiling Forum area at TilersForums.co.uk.

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  1. gooty

    gooty Member of Tilers Forums

    Location:
    herts
    After using black grout on my beige porcelain matt tiles, it's left stains that won't come off with water on a kitchen sponge scrubber.
    Is there a correct way/product to do this?
     
  2. Plan Tec Tiling

    Plan Tec Tiling Administrator Staff Member Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    Wimborne, Dorset
    Cement/ grout residue remover from LTP or Lithofin
     
    • Like Like x 2
  3. Lithofin BOB

    Lithofin BOB Test, Test, Test, you know it’s for the best. Company Support

    Location:
    Hampshire
    Use either of the above , pre wet the joints with water before you apply the diluted product to the tile, this will minimise the acid damaging the grout joint colour, always test one tile to determine the dilution of the product required ,work in small sections. Flash clean the tiles, 1-2 minutes - or test longer , bottles will often state to use for 10-12 minute, use a white pad or stiff brush ,rinse well after application time.
     
    • Like Like x 1
  4. gooty

    gooty Member of Tilers Forums

    Location:
    herts
    thanks guys, but ive just stumbled on an easy and cheap way to get rid of it.
    Astonish oven cleaner from home bargains. Under £2. Dipped wet cloth in the tub and the back grout stain comes off really easy :))))
     
    • Like Like x 2
  5. impish

    impish Trusted Advisor Professional Tiler

    Location:
    Preston, Lancs
    The best, easiest and most cost effective way is this:

    Don't use black grout.

    ever.
     
    • Like Like x 8
  6. andytyler

    andytyler Member of Tilers Forums

    Location:
    east mids
    try diluted white vinegar 60p from tesco. or neat if you test it on the grout first. i had charcoal grout residue stuck in textured non slip porcelain. white vinegar, left it 10 minutes. scrub with scourer, clean residue off with wonderwipe.
     
    • Like Like x 2
  7. ogy

    ogy Member of Tilers Forums

    Location:
    belaga malaysia
    i'm using black grout to match the tile..but the stain on the tile won't come out after scrubbing. i try out the vinegar tip but isnt working.please do advise?

    IMG_20170225_154855.jpg
     
  8. 3_fall

    3_fall Administrator. Staff Member Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    SW London
    Is that an unsealed terracotta tile?
     
  9. 3_fall

    3_fall Administrator. Staff Member Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    SW London
    That's one for you @NZ_Tiler@NZ_Tiler you're only over the road! :)
     
  10. Pro Tiler Tools

    Pro Tiler Tools TF Official Sponsor

    Location:
    Northampton
    Astonish is amazing stuff, we found that their high strength bathroom cleaner even removes the black mould from silicone.
     
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