hi guys,and gals, I have just stated my pressure washing business for about two weeks now. just got a call to clean two concrete driveways almost side by side. concrete is about five years old, my problem is there both real bad, grease,oil, mildew tire marks you name it. they work on cars so thats why the mess.. I dont have any pics sorry.. I have a cold water 4000 psi 4000gpm and a 20' whirl away.. what chemicals do you pros recomend??? and how do i approach it? I heard and read about many chemicals but sounds like some are for different stains..is that true... heard of f-18, clean cret, most people mix...among many others... what do you guys suggest????
thanks for all the replies, everyone is greatly appreciated!
im a newbie and dont mean to get anybody upset with my question or repeat question trust me ive searches many forums for many hours and im just a liitle confused
Im from palm springs california and the weather is great right now! lol
hi guys,and gals, I have just stated my pressure washing business for about two weeks now. just got a call to clean two concrete driveways almost side by side. concrete is about five years old, my problem is there both real bad, grease,oil, mildew tire marks you name it. they work on cars so thats why the mess.. I dont have any pics sorry.. I have a cold water 4000 psi 4000gpm and a 20' whirl away.. what chemicals do you pros recomend??? and how do i approach it? I heard and read about many chemicals but sounds like some are for different stains..is that true... heard of f-18, clean cret, most people mix...among many others... what do you guys suggest????
thanks for all the replies, everyone is greatly appreciated!
im a newbie and dont mean to get anybody upset with my question or repeat question
trust me ive searches many forums for many hours and im just a liitle confused 
Im from palm springs california and the weather is great right now! lol
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