If you use acid you'll want to do the whole drive, otherwise you'll have
different colors.
I'd try the Simple Green route first. It works on asphalt, I know.
Geoff Branch
----- Original Message -----
From: "derf" <derf247@gmail.com>
To: <uniquelittlecars@yahoo.com>
Cc: "Morris Motors" <morris_motors@yahoogroups.com>; "spridgets"
<spridgets@autox.team.net>; "Sprite" <bugeye@yahoogroups.com>;
"Midget/Sprite" <midgetsprite@yahoogroups.com>
Sent: Monday, March 05, 2007 11:25 AM
Subject: Re: Drive way cleaning
> Phosphoric acid, available at Home Despots. It is a rust treatment and
> will
> "etch" concrete, I think.
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