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efflorescence on patio

  • 19-07-2017 8:08am
    #1
    clvk07
    Registered Users, Registered Users 2 Posts: 123 ✭✭


    Hi

    I built a patio (Indian sandstone) two months ago and it was fine. Now it seems that a lot of pavers have a white stain. (doesn't look very good) From looking on the net it looks like efflorescence.

    I never seen these stains on patios before. I was wondering if anything can be done to get rid of them (patio is also sealed now) and if the place which I bought them should refund part of the cost. See attached.


Comments

  • #2
    howdoyouknow
    Registered Users, Registered Users 2 Posts: 259 ✭✭howdoyouknow


    Try some white vinegar on the efflorescence it can the acidity will remove the alkali salts which cause efflorescence.


  • #3
    clvk07
    Registered Users, Registered Users 2 Posts: 123 ✭✭clvk07


    howdoyouknow wrote: »
    Try some white vinegar on the efflorescence it can the acidity will remove the alkali salts which cause efflorescence.

    even if the patio has been sealed?

    Also should the place I bought replace all the affected slabs?


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