Make Black Powder Quick and Easy — Skylighter, Inc.
WEBFeb 14, 2018 · To separate the mill dust from the ball mill media, put a round 20mesh screen into the mouth of a bucket that is the right size to hold it. A screentype colander that is about 20mesh works, too. The screen should be firmly attached to the frame of the colander. Carefully open the ball mill jar and gently pour its contents into the screen.