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Old 09-20-2010, 11:16 AM   #7
Dusty's Avatar
Join Date: Jan 2008
Location: Orange, Texas
Posts: 74
Default Re: Muriatic Acid for Gas Tank Cleaning

If you want to remove rust from metal use Phophoric acid, not muratic.
Phosphoric acid is sold under the brand name "OSPHO".
It is also found in "Naval Jelly", and "Metal Prep".
It turns the Iron Oxide (Rust) into a hardlayer, that can be painted right over.
It is green in color, and when once treated won't rust again.

Orange, TX
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