[m baker]

have wfp for about ayear have got onwell with it,have bought some new brushes this week since then have been geting rungs on windows,clean my ownwindows every one had rung on it,checkad tds reading says 000,any ideas has made me worry about using wfp many thanks mark

[d s windowcleaning]

whats the new brushes you got mate ?

[m baker]

bently,had cleantech before

[Alex Gardiner]

What technique to you use - rinsing on or off the glass?

[m baker]

off

[Alex Gardiner]

Perhaps it's your technique with the new brush.  Depending on which cleantech brush you had before, the Bentley may be a softer bristle set up. Maybe you need to scrub a bit harder on the top edge of the glass?  It usually runs down on a window for two reasons:

1. The dirt on the top edge of the glass (where it is always dirtiest) has not been agitated enough to allow the rinsing to flush it away 

2. There is water dirt from the top frame running back down on to the window after you have cleaned it

You've been cleaning for about a year now so I'd have thought that you would be familiar with these reasons though.  Have you tried going back to your old brush and seeing if it still happens?

[m baker]

cheers i will try scrubbinnksng harder on top of glass if no luck will go back to old brushes,thanks