Mini-Sluice w/ 110V Pump, Hose, Gold-Stop Mat MODIFIED WITH HOSE ATTACHMENT and PUMP. The Tom & Perry GPAA Mini Sluice was designed by prospectors to optimize your fine and course gold recovery. The sluice comes a nugget catcher. You can run this clean-up sluice with your garden hose or a pump if you are out in the field. Breaks concentrates down to 1 tablespoon.