{"title":"Sludge \u0026 Sediment Sampling","description":"\u003cp\u003eERE carries the samplers used to collect bottom sediment, sludge and settled solids for environmental assessments and wastewater operations. Grab samplers take the surface layer of the bottom: the all-stainless \u003ca href=\"\/en-us\/products\/ekman-dredge-spring-loaded\"\u003eEkman dredge\u003c\/a\u003e for soft sediment in calm water, the \u003ca href=\"\/en-us\/products\/15-lbs-25-lbs-bottom-dredge\"\u003e15 and 25 lb bottom dredges\u003c\/a\u003e and the \u003ca href=\"\/en-us\/products\/sand-silt-dredge\"\u003esand\/silt dredge\u003c\/a\u003e for coarser material, and the pole-mounted \u003ca href=\"\/en-us\/products\/snapper\"\u003eSnapper\u003c\/a\u003e. Core samplers keep the layers: the AMS \u003ca href=\"\/en-us\/products\/sludge-sampler\"\u003esludge sampler\u003c\/a\u003e with valved tips, the \u003ca href=\"\/en-us\/products\/multi-stage-sludge-sediment-sampler-kit\"\u003emulti-stage sludge\/sediment kit\u003c\/a\u003e that works through up to 12 ft of water, and the \u003ca href=\"\/en-us\/products\/sand-sludge-sediment-probe\"\u003esand\/sludge\/sediment probe\u003c\/a\u003e. For tanks, clarifiers and sewers, the \u003ca href=\"\/en-us\/products\/nasco-sampling-sludge-nabber\"\u003eSludge Nabber\u003c\/a\u003e and \u003ca href=\"\/en-us\/products\/swing-sampler\"\u003eSwing Sampler\u003c\/a\u003e sample from a pole, and the \u003ca href=\"\/en-us\/products\/sludge-judge%C2%AE\"\u003eSludge Judge®\u003c\/a\u003e measures the sludge blanket.\u003c\/p\u003e\u003ch2\u003eSludge and sediment sampling FAQ\u003c\/h2\u003e\u003ch3\u003eGrab sampler or core sampler for sediment?\u003c\/h3\u003e\u003cp\u003eA grab sampler, such as a dredge or the Snapper, collects the surface layer of the bottom in one drop, which suits surveys of surface sediment quality. A core sampler collects a column, so you can see and sample the layers at depth. Our \u003ca href=\"\/en-us\/blogs\/field-notes\/water-sediment-grab-samplers-selection-guide-canada\"\u003egrab sampler guide\u003c\/a\u003e covers the options.\u003c\/p\u003e\u003ch3\u003eEkman dredge or bottom dredge?\u003c\/h3\u003e\u003cp\u003eThe Ekman dredge is built for soft mud, silt and organic ooze in calm lakes, ponds and lagoons; its jaws close when a messenger weight is sent down the line. On sand or compacted silt, choose the 15 or 25 lb bottom dredge or the sand\/silt dredge; in flowing water, the Snapper or a pole sampler. See \u003ca href=\"\/en-us\/blogs\/field-notes\/ekman-dredge-vs-snapper-vs-swing-sampler-a-sediment-grab-sampler-guide-for-canada\"\u003eEkman dredge vs Snapper vs Swing Sampler\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eHow do I measure the sludge blanket in a tank or lagoon?\u003c\/h3\u003e\u003cp\u003eUse a Sludge Judge®: lower the clear, graduated tube slowly so the valve seats, pull it up and read the depth of settled solids against the 1 ft markings. The \u003ca href=\"\/en-us\/products\/the-sludge-judge%C2%AE-ii\"\u003eSludge Judge II\u003c\/a\u003e and \u003ca href=\"\/en-us\/products\/the-sludge-judge%C2%AE-ultra\"\u003eSludge Judge Ultra\u003c\/a\u003e assemble from three 5 ft sections to 15 ft and are made for settleable solids of 5% or less. Take readings at several points, since a blanket is rarely level; see our \u003ca href=\"\/en-us\/blogs\/field-notes\/how-to-use-a-sludge-judge-sampler-tank-lagoon-sludge-depth-protocol\"\u003eSludge Judge protocol\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eHow do I sample sludge from a tank, clarifier or sewer?\u003c\/h3\u003e\u003cp\u003eUse a pole sampler from the edge. The Sludge Nabber holds a 250 to 1,000 mL bottle on an aluminum pole that extends from 4 to 6.5 ft, and the Swing Sampler pivots up to 90° on a 6 to 12 ft fiberglass pole to sample horizontal flows in sewers and channels. For a core of settled sludge, the AMS sludge samplers have valved tips that keep non-cohesive sludge in the tube.\u003c\/p\u003e\u003ch3\u003eCan I sample sediment under water?\u003c\/h3\u003e\u003cp\u003eYes. Dredges are lowered on a line: the Ekman dredge ships with 100 ft of nylon rope and a messenger. For cores below water, the multi-stage sludge\/sediment sampler kit assembles to 12 to 48 in. sample lengths and reaches through up to 12 ft of water with its 4 ft extensions.\u003c\/p\u003e","products":[{"product_id":"sludge-judge®","title":"Sludge Judge®","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eThis sampling device enables you to take accurate readings of settled solids in a variety of liquids, to any depth.\u003c\/div\u003e","brand":"Nasco","offers":[{"title":"15 ft Sludge Judge®, 3.13 lbs","offer_id":39899668807873,"sku":"NA-C09247","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Case For Sampler, 0.50 lbs","offer_id":39899668840641,"sku":"NA-C09249","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"6 ft Spiral Cleaning Brush, 0.75 lbs","offer_id":39899668873409,"sku":"NA-B01291","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"5 ft Top Section With Rope, 1.25 lbs","offer_id":39899668906177,"sku":"NA-C09252","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"5 ft Extension Section, 1.38 lbs","offer_id":39899668938945,"sku":"NA-C09251","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"5 ft Bottom Section With Valve, 1.38 lbs","offer_id":39899668971713,"sku":"NA-C09250","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/C09247_10-2048x1367.jpg?v=1781103357"},{"product_id":"the-sludge-judge®-ultra","title":"Sludge Judge® Ultra","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eFor maximum strength and rigidity - use the Sludge Judge® Ultra!\u003c\/div\u003e","brand":"Nasco","offers":[{"title":"15 ft Sludge Judge® Ultra, 3.13 lbs","offer_id":39899693809857,"sku":"NA-B01386","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Case For Sampler, 0.50 lbs","offer_id":39899693842625,"sku":"NA-C09249","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"6 ft Spiral Cleaning Brush, 0.75 lbs","offer_id":39899693875393,"sku":"NA-B01291","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"5 ft Top Section, 1.25 lbs","offer_id":39899693908161,"sku":"NA-B01387","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"5 ft Extension Section, 1.38 lbs","offer_id":39899693940929,"sku":"NA-B01388","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"5 ft Bottom Section, 1.38 lbs","offer_id":39899693973697,"sku":"NA-B01389","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/0000102_sludge-judge174-ultra.jpg?v=1781103362"},{"product_id":"the-sludge-judge®-ii","title":"Sludge Judge® II","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eThe Sludge Judge® II is made from a 1 1⁄4\" outside dia. plastic tubing resulting in double the capacity and a very rigid unit when assembled.\u003c\/div\u003e","brand":"Nasco","offers":[{"title":"Sludge Judge® II, 3.38 lbs","offer_id":39899728871617,"sku":"NA-B01355","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Case For Sampler, 0.50 lbs","offer_id":39899728904385,"sku":"NA-C09249","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"6 ft Cleaning Brush","offer_id":39899728937153,"sku":"NA-B01361","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"5 ft Top Section, 1.38 lbs","offer_id":39899729002689,"sku":"NA-B01358","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"5 ft Extension Section, 1.25 lbs","offer_id":39899729035457,"sku":"NA-B01357","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"5 ft Bottom Section, 1.25 lbs","offer_id":39899729068225,"sku":"NA-B01356","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/C09247_14-scaled.jpg?v=1781103370"},{"product_id":"sand-sludge-sediment-probe","title":"Sand Sludge Sediment Probe","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eEasily Collect Sediment or Sludge with a Technically Enhanced Core Tip \u0026amp; Cap\u003c\/div\u003e","brand":"AMS","offers":[{"title":"Sand Sludge Sediment Probe, 1 1\/4\" x 24\" Replaceable Tip Sand Probe","offer_id":39899737194689,"sku":"AM-424.37","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Cross Handle, Cross Handle W\/ Grips, 10\", 0.56 lbs","offer_id":39899737227457,"sku":"AM-401.26","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/424.37__46967.1671736927.png?v=1781103376"},{"product_id":"multi-stage-sludge-sampler","title":"Multi-Stage Sludge Sampler","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eThe \"valved core tip\" meets the challenge of adequately filling a sampler without losing the sample upon retrieval.\u003c\/div\u003e","brand":"AMS","offers":[{"title":"Mutli-Stage Sludge Sampler, 9.65 lbs","offer_id":39899772911809,"sku":"AM-403.31","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Soil Core Catcher, 0.02 lbs","offer_id":39899772944577,"sku":"AM-404.90","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"50.8 x 304.8 mm (2\" X 12\"), Plastic Liner, 0.21 lbs","offer_id":39899772977345,"sku":"AM-405.10","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"50.8 mm (2\"), Plastic End Cap, 0.02 lbs","offer_id":39899773010113,"sku":"AM-418.10","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"12\" MS Section, 3.90 lbs","offer_id":39899773042881,"sku":"AM-403.23","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/403.31__73768.1666970384.png?v=1781103378"},{"product_id":"sludge-sampler","title":"Sludge Sampler","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eSpecifically designed to retain non-cohesive sludge samples.\u003c\/div\u003e","brand":"AMS","offers":[{"title":"2 1⁄4\" x 8\" Sludge Sampler, 5.93 lbs","offer_id":39899788804289,"sku":"AM-428.11","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"2 1⁄4\" x 10\" Sludge Sampler, 6.29 lbs","offer_id":39899788837057,"sku":"AM-428.12","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"3 1⁄4\" x 10\" Sludge Sampler, 9.19 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lbs","offer_id":39899789033665,"sku":"AM-400.99","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/428.11__58828.1623705089.png?v=1781103383"},{"product_id":"multi-stage-sludge-sediment-sampler-kit","title":"Multi-Stage Sludge \/ Sediment Sampler Kit","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eMulti-Stage Sediment Sludge Sampler Kit\u003c\/div\u003e","brand":"AMS","offers":[{"title":"Default Title","offer_id":39899799355585,"sku":"AM-209.41","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/209.41__51987.1679343567.png?v=1781103390"},{"product_id":"sand-silt-dredge","title":"Sand \/ Silt Dredge","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eEasily Sample Most Types of Bottom Surfaces\u003c\/div\u003e","brand":"AMS","offers":[{"title":"5 lbs SST 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