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Old 2014-04-12, 6:36am
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echeveria echeveria is offline
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Join Date: Aug 31, 2006
Location: Knoxville, TN
Posts: 1,952

I could be off base, but I think you are going to need lots of oxygen for two inch marbles, period. Some torches may be more efficient than others, but to work that mass you need some heat, and to get some heat you need the oxygen. Says the person who makes 12 mm beads, lol.
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