Agreed...Acid will etch the stone and then you got problems...
Alkaline and a grout brush on a pole works for most jobs I do, some small spots I hit with acid. Keep in mind sometimes it is just STAINED and you'll remove the grout before the stain!
Hope this helps.
P.S. George, I like your site, and by the way, how did you get into such fantastic shape?
A-B-C. A-Always, B-Be, C-Closing. Always be closing, always be closing.
Get them to sign on the line which is dotted!
Last edited by davendana; 02-16-2008 at 07:00 PM.