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Posted: Wed Nov 04, 2009 6:42 am
by bluemax
G'Day,
I am told iron shellate stains are difficult if not impossible to remove from pavers. Any advice Please?
Bluemax
Posted: Wed Nov 04, 2009 6:06 pm
by Tony McC
What have you tried to date? Oxalic acid may help.
Posted: Thu Nov 05, 2009 3:37 pm
by RAPressureWashing
You could also try Citric Acid, But as with Oxalic Acid you really can't spot clean so will need to do the whole area/surface or you will end up with a poka-dot type paving. I would only use either of the above acids on white concrete though, you might have problems with coloured surfaces.