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Tried to remove rust from a kitchen knife with citric acid, but it turned the blade black instead? I was able to scrub some off, but I'm very confused about what to do next, and what I should use instead. : r/restoration
Technical - Tech: Simple rust removal with citric acid | The H.A.M.B.
Rust removal with citric acid – TGR: Team Ghetto Racing
Rust Removal of 50 years old Rust with Citric Acid🍋 - YouTube
Amazon.com: Spotless Stainless Citric Acid Rust and Rust Stain Remover for Stainless Steel - This Quart (32 Ounce) Gel Remover and Protectant is enough Stainless Steel Stain Remover for Routine Rust Removal,
8 Ways to Remove Rust from Metal - wikiHow
How to Remove Rust From Metal | Owatrol USA
Rust removal with citric acid – TGR: Team Ghetto Racing