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Dredges

Dredges

Bottom Sampling Dredges

Bottom sampling dredges, commonly referred to as Van Veen grabs, and the Ekman dredge (or Ekman grab) are essential for collecting bottom sediment samples in aquatic environments. Our dredges are designed for precision and efficiency, making them ideal for environmental studies and water quality assessments. With durable construction and thoughtful engineering, they’re built to perform across diverse bodies of water, from freshwater lakes and rivers to coastal waters.

Bottom sampling dredges are ideal for collecting soft, muddy, sandy, and silty sediment samples with minimal disturbance to the sediment layers. In contrast, the Ekman dredge is better for collecting firmer, denser, and more compact sediment samples, resulting in less disruption and preserving sample integrity.

Whether you're conducting routine sediment analysis or working on a specialized project, our dredges provide the reliability and accuracy required for successful results.

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  • 15 lb. Stainless Steel Bottom Dredge 15 lb. Stainless Steel Bottom Dredge

    15 lb. Stainless Steel Bottom Dredge

    $575.73
    Bottom Dredges are primarily used to sample sand and silt but can be used to sample most types of non-cohesive material, except hard-packed clay. Nominal bucket dimensions are 8.75" wide X 4.5" height X 6" deep (circular shaped). Sampler body and jaws...
    445.10
    $575.73
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  • 25 lb. Stainless Steel Bottom Dredge 25 lb. Stainless Steel Bottom Dredge

    25 lb. Stainless Steel Bottom Dredge

    $788.68
    Bottom Dredges are primarily used to sample sand and silt but can be used to sample most types of non-cohesive material, except hard-packed clay. The 25 lb. bottom dredge will sink faster and push deeper into sediments. Nominal bucket dimensions are 9"...
    445.60
    $788.68
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  • Dredge Lock Pin Assembly

    Dredge Lock Pin Assembly

    $98.21
    Dredge Lock Pin Assembly is only compatiable with the 15 lb. & 25 lb. Bottom Dredges.  
    51076
    $98.21
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  • 5 lb. Stainless Steel Sand & Silt Dredge 5 lb. Stainless Steel Sand & Silt Dredge

    5 lb. Stainless Steel Sand & Silt Dredge

    $347.73
    The 5 lb. Stainless Steel Sand & Silt Dredge is great for grab sampling sand or silt. Nominal bucket dimensions are 6" wide X 3" height X 7.5" deep with an approximate sampling footprint of 45 square inches. It is designed with a trigger mechanism...
    445.70
    $347.73
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  • Ekman Dredge Ekman Dredge

    Ekman Dredge

    $666.94
    The Ekman Dredge is great for collecting sludge and sediment samples. Nominal bucket dimensions are 6" wide X 6" height X 6" deep with an approximate sampling footprint of 36 square inches. With it being spring-loaded, it is triggered to close using a...
    445.11
    $666.94
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  • Ekman Dredge Messenger Ekman Dredge Messenger

    Ekman Dredge Messenger

    $83.00
    The Ekman Dredge Messenger travels down the attached rope on an Ekman Dredge to trigger it to close.
    445.12
    $83.00
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  • Ekman Dredge Storage Bucket w/ Lid

    Ekman Dredge Storage Bucket w/ Lid

    $27.22
    The Ekman Dredge Storage Bucket w/ Lid can also be utilized for transporting samples collected through the dredge.
    53779
    $27.22
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    $27.22
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