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    Oxalic acid mix

    Hello All....I have read all the info here on concrete cleaning...I have a job to do (27,000 sq. ft.) on a school court yard and walkways. Looking for feedback on best commercial cleaner and any advise on mixing oxalic acid and application. Just purchased a SC from Mark and can't wait to try it...
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    Thanks for the HELP

    Hello to All... I just wanted to thank everyone on this forum for the expert advise and feedback. It made a huge difference in making my decision on buying a surface cleaner. I did purchase a SC from Mark and found him to be courtious and most helpful. I'm looking forward to the machine to...
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