Are there any surface cleaners out here that doesn't causes lines on concrete drive ways?

[squidskc]

Techniques for faster surface cleaning

Hey guys just wanted to share my current technique and see if anyone could help me get jobs done faster. Set up: 4 gpm / gx390 using 18" gp hammerhead. Im just getting started and this is my first setup. I do want to get a nice 8gpm hot rig and WW classic which I know will give me a chance to move a lot faster but until then this is what I’m working with. So on to the technique… I usually do large driveways in sections and start by doing the edges first by allowing my SC to ride the edge/gra…