[NWH]

Yeah I’m using that as a guide on a standard pencil jet brush I see people use small 2 jet brushes and the waters piddling out barely 2ft each to their own,these people usually complain about a sore neck.

[Shrek]

I have my pump on 85 (35cm brush , 4 50° fan jets) and use around 600ltrs a day working around 6hrs a day on the glass