No thanks to Brodex (sorry I won't rant again) but thanks massively to cleaningspot I recieved my Drgonfly indoor kit today. Took just a few minutes to set it up and start playing. It will be in use tomorrow. A Lean too conservatory roof (underside), several high up velux windows and indoors of what can only be described as a mansion. I've been window cleaning for ten years, six with a WFP. So pretty experienced but this is still a new piece of kit. So if anyone more experienced with one has any tips and tricks please feel free to shoot? I've heard adding rubbing alcohol to the mix helps? Is that to decrease drying times or to help cut through heavy dirt? Should I add detergent or would that prevent a smear free dry?