![]() ![]() That gives you the impression it is not sucking as hard when actually, overall, it is but some of the suction is unproductively diverted through the gap when you hog or put it directly on a large rock.* I think you just have to get used to the way it is designed to work and I think that is.that it probably works best (lets the dredge suction do the work) when held just next to the gravel rather than trying to gouge or hog it. You probably are used to gouging or hogging the material with the nozzle (that kind of forms a seal on a regular nozzle) and this nozzle will leak around that seal. If you were to put your hand over the ring and seal that gap you will probably have the same suction you are used to. I don't know if it is the same but the one I saw has a ring that is welded at an angle so that one edge of the ring touches the nozzle and the opposite edge is 1/4" or so away from the nozzle forming a gap.
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