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Gun blue Recipe Wanted

I am looking to get a recipe for Gun blue.

Also curious about being able to coat solder used for making Stained glass jewelry. This to prevent the solder from soiling clothing of the wearer.

Jack Nissen
- South Africa
2000

2002

Hot water bluing

1/4 oz. potassium nitrate
1/4 oz. sodium nitrate ⇦ this on Amazon [affil link]
1/2 oz. bichloride mercury
1/2 oz. potassium chlorate

Mix in clean glass jar add 10 oz. (120'f) distilled water slowly and mixing with a glass rod till cool. Pour into clean dark brown glass or plastic bottle. Store in cool dark place.

Matthew Galli
- Cheyennewells, Colorado, USA

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