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How Do You Make Liquid Bluing? [Solved]

One ounce of Prussian blue (dark blue pigment) and ½ ounce of oxalic acid (used to remove yellow or brown rust stains) are dissolved in 1 quart “of perfectly soft rain water.” Store in a corked bottle.17 Sept 2018

How to Turn Steel Black - All you need to know about Bluing

In this short video I show you all you need to know about

Simple homemade gun bluing - hot bluing process

In this video, I will show you how much it is simple to apply hot gun

Bluing Steel Parts Tutorial

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