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  1. #1
    Join Date
    Jan 2017
    Location
    Sunshine Coast
    Age
    60
    Posts
    196

    Default Cleaning sandstone, presoak recommendations, before pressure washing

    G'day all

    I need recommendation/s for solutions to soak mould etc on sandstone, prior to pressure washing.

    This client has the dirtiest pavers I have seen around a pool/garden area, and I don't want to spend to much time and effort with a water pressure machine hacking at the surface. Sandstone can be soft.

    I haven't had prior need for pre-wash solutions, so I need recommendations.

    There are a myriad of products on the market. I just don't know which ones to trust.

    Any ideas?

    Thanks.
    G

  2. #2
    Join Date
    Apr 2012
    Location
    Thornton NSW
    Posts
    456

    Default

    I have some stuff called Oxy Klenza given to me by a mate who's a stonemason, works well. I use it for removing mould off brickwork, but it's safe for use on sandstone.

  3. #3
    Join Date
    Jan 2017
    Location
    Sunshine Coast
    Age
    60
    Posts
    196

    Default

    Thanks richmond68
    I did the job yesterday , using a liquid chlorine solution.
    I'll keep your product in mind for next time [emoji1303]

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