Why Pure Water is Spot-Free (for Window Cleaners)
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Added: 10 months ago
From: waterfedpureh2o
Views: 300
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  • Impossible, Johnny - recalibrate your TDS meter in NaCl solution - unless you are SUPERMAN with X-ray vision ... you can't see 4 parts per million .. just think about it .. !!!!

    waterfedpureh2o 10 months ago

  • 50ppm wot a load of shit, you mean 0ppm for window cleaning. i get spots with 4ppm.

    justdomywindows 10 months ago

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