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<p>[QUOTE=&quot;Robert Ransom, post: 5218018, member: 97872&quot;]What you see is rust from the iron in the steel core weeping through the plating. Iron and oxygen creates the rust and once it begins the only way to stop it is to remove the source of oxygen. Iron pipes buried in concrete will begin to rust after the concrete is poured until the available oxygen is exhausted at which point the rust will cease to occur.[/QUOTE]</p><p><br /></p>

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