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Potassium Carbonate 1Lb -Gold Recovery-Flux Smelting-Refining-Assay PotAsh K2CO3
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$24.95
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This is for 1 Lb of Potassium Carbonate . This is used for many things including Gold Recovery from Black sands, Gold & Silver Recovery from Bench Grinds. Many different Flux recipes for many different functions.