Suction Nozzle or Power Jet? Gold Panning & Gold
Suction Nozzle Gold Dredge A suction nozzle is the traditional method for creating the venturi. The advantage of using this method is that it can be operated in water as shallow as the dredge will float in. The down side is you need two hoses, one from the pump and the other being the main suction hose gravel goes up.