Converting rust with tannic acid
There's removing rust and then converting it. I have used citric acid, phosphoric acid and now tannic acid which is the converter. cool stuff check it out.

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Phosphoric Acid Did This. Here’s How I Fixed It

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TANNIC ACID! The Best Rust Killer and Metal Protection!

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The Japanese Method to Stop Rust from Destroying Your Car Forever

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The Ultimate HOMEMADE Rust Remover (Better than EvapoRust)

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Rust Removal for Classic Cars: Treat Steel RIGHT for Epoxy (Real Results)

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Triple-T #146 - Using tannic acid as an etchant?

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The Step Most People Miss When Seasoning Cast Iron

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The $1 "Acetone" Trick That Melts Rust FOREVER (No WD-40 Needed!)

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Cheap Rust Fixes That Actually Work!! (3 Methods!)

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Shocking Rust Removal Results You Have To See!

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The $3 Liquid That Beats You $800 Rust Treatment (Physics Explained)

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The Amish Have Never Replaced a Metal Tool in 200 Years — The Industry Doesn't Want You to Know Why

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$1 Acid TURNS Rust INTO Armor. PERMANENTLY. Why Did The Navy CLASSIFY This in 1942?

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This Simple Homemade Mix Completely Removes Rust - Road Bike Maintenance

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The $3 Trick That Makes Any Metal Rust-Proof Forever — They Never Taught You This!!

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SAVING a Severely Rusted Chevy Frame (Start to Finish)

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NEVER Rust Again?! Internet Hype TESTED

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DIY: Make Your Own Rust Converter All Natural & Food Grade

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Super easy DIY rust remover that actually works.

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