Apply unit to floor and press down firmly. Fill barrel with agates-about four pounds. These can be mixed sizes. It is important to keep th e barrel full. If after grinding it is not full, add some from a previous batch to keep it full.
Rinse agates with water to remove mud.
Replace barrel in frame firmly. Place cap on barrel. Repeat steps 2 and 3 at 12 hour intervals until desired amount of agate has been removed. Add 1 capful of water after 12 hours if rocks cannot be washed. Repeat steps 2 and 3 for 24 hrs.