![]() Below pic is close up of the schist I have blasted clean & washed out. Quick View 2 Backpack Dredge with Suction Nozzle. As you can see in the above pics this bedrock would be under water in a flood & the schist fingers trapping this gold in its cracks & cleverage. DIY lake and pond muck suction dredgers for sale - Harvesters and portable modular dredge Sort By. This is part one and part two I will post here in about three weeks. ![]() The fine gold would have tended to be carried on further down stream in a flood. I show and talk about how to build your own suction nozzle for any dredge that you may b. The gold here was generally of a chunkier, coarse flat nature & not so much fine. The gold in the pan in the above pic is the result from a couple of hours of doing that crevicing & cleaning out of the schist bedrock in the others pics from a river in Central Otago in the south island of NZ. Generally I just shovel straight in to it & hook the motor/pump up to the spray bars. This was the first time I used it with the ply board on the front to take my 2" suction nozzle hose set up. Like the little high banker above & below. I am a fan of making as much of my own gear as possible. Always a pleasure to share what little I know & have learnt from others & also by experiance. G'day Hoser John, Yer mate.Kiwi as in NZ (New Zealand) Great site here.
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