look at your windows after it has rained...they are not filthy in the slightest.
Look at your WFP customers windows every 4 weeks and they still need cleaning whether it has rained or not in the last 4 weeks. Its certainly not rain water that is dirty.
You know what, that is a very valid point. Thankyou, it is a bloody misconception that windows get dirty because of rain isn't it, how can they when rain water round my parts has a TDS reading of 18.
Therefore, convincing the custys, who generally believe the mis-held perception that its the rain that dirtys windows, that rain water isnt the culprit.
Telling half of my custys that, I can see me trying to tell them what theyve held and believed since the year dot to be total crap, with all this spiel coming out, Ill be thinking 'they think Im full of poop, I can just tell, they dont believe a word'.
However, knowing myself it isnt the rain, is a start. I shall begin