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The Etch Test: Ferric vs Hydrochloric vs Gator Piss
The Etch Test: Three Very Different Looks From One Steel
One of the great things about knife making is how much variety you can get from the same material, just by changing your finish.
Etching is a perfect example of this. By using different etchants on the same steel, you can dramatically change how a blade looks — even when everything else stays the same.
In this test, we took one steel, finished three blades, and etched each one using a different etchant. The results were surprisingly
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3rd Jan 2026