[S.W. Window Cleaning]

Hi,
  Been looking at vans & systems to start up but I noticed waste water mentioned on another post. I don`t understand about this. I thought I connected water supply from tap ino ro & Di system and this gave me pure water. So where does this waste water come into it? Sorry im still learning Lol
  Steve

[steven ainger]

Tap Water into ro, pure water to tank for cleaning windows, water with all the crap in down the drain

[richardlingard]

lol steven, thats a spot on explination

[S.W. Window Cleaning]

So at the Ro is there a feed into tank and another feed going out to a drain?
  Cheers,
     Steve

[steven ainger]

Yes mate, spot on

[S.W. Window Cleaning]

Thanks for that. By Jove I think i`ve got it 
  Steve