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Remove and prevent rust

What chemical can be used to remove rust from the beams of my barns and what can I use to prevent the rusting in the future?

Robert Laird
Farmer - Beaumont, Texas
2004

You can use ammonium citrate solution,5%,pH 3,5- and some epoxy based clearcoat!

Good luck!

Goran Budija
- Cerovski vrh Croatia
2004

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