Hi..I posted most of this in the water fed forum but might have more luck here. Thanks I currently have a pressure washing/coatings company and i also do a bit of gutter cleaning and fascia/sofitt cleaning by hand/ladder . I am away to purchase a water fed pole system for cleaning the conservatories and fascia but will be doing a DIY as i have a pump in a box from my softwash outfit for cleaning roofs and was hoping to adapt that . I have decided on a gardiner slx25 as my pole as i am also going to be using the pole as a delivery system for spraying the roofs on my softwash as the gun only shoots so far and i believe i can add to make this 35ft if needed. I am wanting to build a trolley system that will allow me to switch from tap water for cleaning to R/O Water for rinsing quickly and could do with a helping hand as im not sure of the best way to approach this. I am intending bringing RO water on site rather than using resin. I am also wanting to incorporate the unger hiflo in line chemical mixer for my detergent and not sure where this would go in the system . I am using a delevan fat boy pump on my softwash and its a 60psi and around 20lpm which i know is a lot more than the pumps that you use. Will the flow controller allow me to turn this pump down to a level thats suitable for the type of work im looking to do? Which brush should i be looking at and will it be better with fan jets bearing in mind im only wanting it for cons/fascia cleaning? Do you notice much difference on the upvc fascia between cleaning with pure water as opposed to tap water and with it being high up am i just as well using the tap water( which is very soft) or better with the RO water? I think i better keep the hot box questions for another post!!