HELP! Why is my solder turning grey!? Using 60/40 solder and Novacan black patina! This is the second piece that has started to turn dull grey after about a month! : r/StainedGlass

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Problems with Patina : r/StainedGlass

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Black Patina for Solder and Lead - Novacan 8 oz.

Black Patina for SOLDER and Lead - Novacan 8 oz.

Novacan Black Patina For Zinc 8oz : Tools & Home Improvement

Novacan Black Patina For Zinc 8oz : Tools & Home Improvement