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How Much Gold Is Trapped In My Old Slag???

458.1K views· 11,076 likes· 24:29· Mar 14, 2026

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TREASURE IN THE TRASH? Recovering Gold from Years of Waste Slag Is your old slag pile actually a hidden gold mine? Today, I’m cleaning out the shop and putting my years of "smelting disasters" and "experimental glassy stuff" to the ultimate test. With gold and silver prices at historic highs, I want to know once and for all: How much precious metal am I leaving behind? 🔗 eBay Slag Listing: https://www.ebay.com/itm/177873187108 In this video, we load up a massive #30 crucible and run five high-temperature smelts to scavenge every last bead of gold and silver from our waste buckets. 🧪 The Science of the "Remelt" Smelting slag isn't just about heat; it's about chemistry. We talk about: Acidic Fluxing: Why I’m adding extra borax to the slag to force iron matte out of solution and drop the precious metals. The Iron Reaction: Watching iron nails get "eaten" by the matte to collect the silver and gold. Low-Melting Alloys: A "disaster pour" reminds us that mixing bismuth and lead creates an alloy with a super low melting point—which ended up splashed all over the shop floor! 🔦 Highlights: The Big Reveal: Weighing the final gold/silver bead after days of processing. The "Turnkey" Question: Should we remelt slag, or just run it through our crushing and tabling system? Microscope Check: Panning out pulverized slag to find the tiny metallic "BBs" that survived the furnace. Sneak Peek: A kilogram of gold-filled jewelry is headed to the new fume hood for acid refining! "Either I find a bunch of gold and I've been a bad smelter, or I find nothing and my recovery is 99%+. Either way, we're going to learn something today." ⏱️ Video Timestamps: 0:00 – The Slag Pile: Cleaning out the Shop 2:15 – Loading the #30 Crucible & The Borax Strategy 4:30 – Sneak Peek: Refining $5,000 of Gold Jewelry 6:45 – The "Spicy" Pour & The Metal Splatter Disaster 9:20 – Day 2: Recovering Spilled Metal from the Slag 11:50 – Crushing & Panning the Slag for Metallic Beads 14:30 – Cupellation: The Moment of Truth 16:15 – Final Weigh-in: Was it worth the propane? ⚒️ Get a bag of slag! I’ve crushed up this slag and put it into 11 grab bags for you to test your own recovery skills! 🔗 eBay Slag Listing: https://www.ebay.com/itm/177873187108 Want to see more refining? Make sure to SUBSCRIBE so you don't miss our upcoming video where we use our new fume hood to refine a massive haul of gold-filled jewelry! #GoldRecovery #Smelting #GoldMining #RefiningGold #MBMMLLC #Chemistry #Geology #GoldSpecimens For more info please email or call: Email: info@MBMMLLC.com Phone: 360-595-4445 Website: http://www.mbmmllc.com/ Patreon: http://www.patreon.com/MBMMLLC Facebook: https://www.facebook.com/MBMMLLC Instagram: https://www.instagram.com/mbmmllc/ Twitter: https://twitter.com/MBMMLLC

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