The Van Walt Dredge is an easy to use surface sampler for river & lake beds. Gives a quick indication of sediment type with a disturbed sample.
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The Van Walt Dredge gives you a disturbed sample of river and lake beds and large sumps. The Van Walt Dredge take a surface sample only, they are suspended by wire so can easily be deployed. Sizes range from 1 to 2.7 litres capacity, they are easy to clean and decontaminate as they are made from stainless steel.