Done a few driveways and never posted any pictures. Anyways I'm using a 3500 psi 4gpm cold water washer with a surface cleaner (I bought from Don Phelps). Total time from the time I started unloading and time I got finished loading was about 45 minutes to an hour. 1/4 of that time was just washing the mildew residue into the gutter and road.
Done a few driveways and never posted any pictures. Anyways I'm using a 3500 psi 4gpm cold water washer with a surface cleaner (I bought from Don Phelps). Total time from the time I started unloading and time I got finished loading was about 45 minutes to an hour. 1/4 of that time was just washing the mildew residue into the gutter and road.
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