Quote:
Originally Posted by drjohns
Just purchased a 3000 psi, it came with a surface cleaner. The surface cleaner was amazing for the sidewalk and driveway. I found it takes a strong spray to get the algae and mold off the house. We also have a white fenced in back yard. I wouldn't buy anything less then a 3000 psi, or you'll be frustrated and it will take forever !
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Depends on spray nozzle pattern you us. If you use 15 degree or less and hold it too close it may damage surfaces.