Mar 26 2008 · Page 1 of 2 Ball mill jar size and the amount of media used posted in Newbie Questions Hi I was wondering how much media I should use for my homemade ball mill I was using a 4 PVC waterpipe with endcaps filled with 200 musket balls out of lead The balls are 1165mm in diameter One endcap is filled with lead balls but I really doubt that this is enough
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