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face=Verdana><FONT color=#222222>needing to pressure wash my driveway...
did a walkway today 3’ wide and 50’ long... 4 hours. That is with water
only no chemicals or soap... now the driveway 100’ long and 15’ wide with
a 50’ x 25’ area between house and shop... usual stains, lots of oak trees...
drive is black with what I figure is mold or oak tree
crap...</FONT></FONT></SPAN></DIV>
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face=Verdana><FONT color=#222222>The e concrete area in front of my shop is
pretty badly stained from grinding and welding and not cleaning up properly.
Lots of iron rust stain that has been there a long time. Is there anything that
will work to remove, etch, etc. these stains so when I pressure wash the drive I
don't have this discolored area ??? Don't have pets to worry about but do have
nice grass on either side of driveway so rinse off might be a problem for the
grass. I have a 3000psi 4gph Dewalt washer so plenty of
power.<BR></FONT></FONT></SPAN></DIV>
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face=Verdana><FONT color=#222222>looking for recommendations on detergents,
cleaners, etc... also on technique other than just bear down and get it
out... I’m old (70) so make it easy on me !!</FONT></FONT></SPAN></DIV>
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face=Verdana><FONT color=#222222><FONT color=#000000
face=Calibri>thanks</FONT></FONT></FONT></SPAN></DIV>
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face=Verdana><FONT color=#222222><FONT color=#000000
face=Calibri>John</FONT></DIV></FONT></FONT></SPAN></DIV></DIV></BODY></HTML>