Hi, I am a new member to this site and I just wanted to see if anyone had any advice on a new service I am wanting to add to my company this spring. I currently own a Landscape construction business and I was thinking of adding pressure washing and patio repair/maintenance. What would be the best pressure washer to use for cleaning brick pavers and stone? What is the appropriate psi to use? Should I supply my own water or use the homeowners? Thanks.