pure water glass white spot????

Discussion in 'Water Fed Pole Window Cleaning' started by andyodell2008, Jan 8, 2012.

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  1. I use ro-man machine water to 25lts tank bag. I check pure water is TDS 001ppm.

    I been window cleaning on water brush pole.

    2 custom not happy window cleaning. I just visit custom. I can see on white spot on glass.

    Ro-man reverse osmosis with 3 membrance waste water pipe. waste water throw


    What can membrance wate water pipe to main tap water save water bill recycling?

    You have problem before??

    I use tds 001ppm not problem.

    You would like advise for me

    Thank you Andy
  2. I know here if the previous cleaners used certain dish soaps or too much soap the residue is released when I wfp the window the first time. The result is white spots. In those cases I simply scrub them w/ the wfp then go on. I come back for a second scrub of just the glass (staying about a inch from the top frame) which takes care of any residue spots left on the glass.