Clean It Up
UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: jk999 on February 02, 2014, 05:37:28 pm
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Will Two twenty inch di's work just as good as an 11ltr di I'm asking because I have had my 4040 ro plus 11ltr di for three weeks and the tds reading is already 003 at that rate off increase changing resin is gonna cost a fortune