I can't find a silver ring that fits me so I'm planning on learning how to do it myself. I'm looking at using a sand mold i basically know what to do using salt as flux and sodium carbonate to de-gas the metal but do i use just plain sand? does it need to be wet? or do I add oil to it? does just any sand work? or do i need to use black sand? I don't plan on using the lost wax method because I only have a house oven so it wouldn't work and I don't have access to a vacuum chamber.
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