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Remove as much of the rust as you can using any of various mechanical methods, then treat it with a chemical rust converter. The rust converter will treat the iron oxides to help prevent future corrosion and will also leave a protective water resistant coating. Try to spread the converter to overlap onto sound areas, and maybe try to use a cotton swab to ...


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If you wish to actually de-rust the tub, you have a few options, most of which are slightly destructive, to remove the rust. Wire wheels or other powered grinding/sanding devices will be quickest, but remove the most material. Hand sanding/abrading will remove less material and may allow you to shape your result more easily. Using an abrasive cleaning ...


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There is a rust removal product called Naval Jelly. It is a gel product usually applied with a brush. It dissolves the rust and leaves a clean paintable surface when used according to the instructions. Then there is the option of media blasting which is probably the most common method for rust removal of large jobs. I'm not offering these as "the best" ...


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None of the above? It's structural steel, you can just leave it rusty (if it happens to be corten, the rust actually keeps it from rusting further...) This may lack Wife Approval Factor for your backyard BBQ, however. Least marking (and least direct effort, dust, noise) electrolytic rust removal - submerge it in a tub of water, outside, with sodium ...



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