Concrete & Masonry: The bricks on my house have an iron stain from a shallow well. How can I remove the stain? Sara N on Nov 05, 2011 I have had success with Bar-Keepers Friend, available in super-markets cleaning section. I ...» believe the effective ingredient is oxalic acid, also sold as wood bleach in hardware stores.
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I have had success with Bar-Keepers Friend, available in super-markets cleaning section. I ...»