Whats the hack?
By slowly running water from hose down deck of sluice box I get the same if not better result of a Miller table. Separates black sand leaving behind super clean gold. Way easier and quicker than panning and I’m not paying for an expensive extra piece of equipment, therefore a hack, cheers.
Bit of kiwi ingenuity, im gonna give it a go,nice one!
For a true bit of kiwi ingenuity, try some bailing twine & number 8 fencing wire as riffles.
Cheers Matt, you can use a bare aluminium sluice too, I rough the surface with sand paper which evens out the water flow. To slick of a surface and it tends to bead up, not good. But with a bit of practice it is surprisingly effective.