"Zud" will work for small stains. It's an abrasive powdered cleaner
with oxalic acid in it.
I used a phosphoric acid based dairy cleaner for some really bad rust
stains a couple of months ago and it worked surprisingly well.
Oxalic Acid is packaged as Wood Bleach and is only ingredient listed
on label. Check label for contents as it isn't the only wood bleach.
On 20 Jul 2004 00:09:29 GMT, email@example.com (Joe Bobst) wrote:
Mix a lb or more of Iron Out or Super IO or Rust Pro in a bucket of warm
water and apply it to the stains.
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