Coretaker® Regular Sludge Core Sampler

Pull an intact sludge core for fast sludge blanket checks in clarifiers, tanks, and lagoons.
CORETAKER® is a rugged “sludge judge” style sampler built for municipal and industrial wastewater operators: UV-stabilized clear polycarbonate, Slip-Lock couplers with four internal O-rings, and a CNC-machined automatic check valve for clean retrieval and fewer drips. It floats if dropped and includes a Lifetime Break-Free Guarantee for USA and Canada.

CORETAKER® Regular Sludge Core Sampler is the most durable and reliable sludge sampler for industrial and municipal applications. Available in 8, 16, and 24-foot lengths, CORETAKER® allows operators to collect clear, intact sludge cores for inspection of color, texture, and settled sludge layers. Constructed from UV-stabilized clear polycarbonate, the sampler provides superior visibility while resisting breakage, and comes with a Lifetime Break-Free Guarantee on sales in the USA and Canada.

Uniquely engineered with Slip-Lock couplers and CNC machined automatic check valves, CORETAKER® eliminates the common problems of threaded fittings. Its couplers feature four internal O-rings for 100% leak-proof connections, while the check valve ensures smooth flow and prevents drips. Factory-applied yellow depth markers assist in accurate sludge level measurements, with additional markers provided for optional user installation.

Replacement sections are available for long-term maintenance: bottom & top sections for 16- and 24-foot models and a middle section for the 24-foot model, making it simple to replace worn parts and extend sampler life. The sampler is lightweight, floats, and is easy to handle in the field.

CORETAKER® is ideal for applications such as wastewater treatment plants, industrial pre-treatment, and environmental monitoring, providing consistent, high-quality sampling every time.

Features

• Available in 8, 16, and 24-foot lengths to suit various sampling needs

• UV-stabilized clear polycarbonate tube – superior clarity for inspecting sludge

• Slip-Lock couplers with internal O-rings – 100% leak-proof connections, no threaded fittings to break

• CNC machined automatic check valve – smooth flow and no drips, fewer parts for easier maintenance

• Factory-applied yellow depth markers – accurate measurement of settled sludge levels

• Floats on water – easy handling and retrieval

• Lifetime Break-Free Guarantee – peace of mind for USA and Canadian sales

• Lightweight and field-ready – ideal for environmental and wastewater applications

• Replacement sections available: top & bottom sections for 16- and 24-foot models, middle section for 24-foot model
  
  Documentation
  Brochure
  Wastewater Application
  
   

  FAQ – CORETAKER® Sludge Core Sampler (Wastewater, Canada)

  What is CORETAKER® used for in wastewater plants?
  CORETAKER® is used to pull an intact sludge core so operators can assess sludge blanket conditions in clarifiers, tanks, and lagoons—helpful for checking settled solids profile, layering, texture, and colour changes.

  Is this basically a “sludge judge”?
  Yes. In operator terms, CORETAKER® is a sludge judge / sludge blanket sampler designed as a more durable, leak-tight option with a clear tube for visual inspection.

  Why do sludge judges break so often—and how is CORETAKER® different?
  Operators commonly see sludge judges crack or fail from outdoor storage, UV exposure, and joint weakness. CORETAKER® uses a UV-stabilized clear polycarbonate tube and Slip-Lock couplers with internal O-rings to reduce break points and leaking. 

  Does it leak at the joints?
  CORETAKER® uses Slip-Lock couplers and internal O-rings for leak-proof connections to help prevent drips and separation during sampling. 

  What keeps the sample from dumping out during retrieval?
  The CNC-machined automatic check valve helps retain the core during retrieval and reduces mess. 
  
  Does CORETAKER® float if it gets dropped?
  Yes—CORETAKER® is designed to float, which is useful around clarifiers and lagoons. 

  What length should I choose (8 ft vs 16 ft vs 24 ft)?
  Choose the length that matches your basin/clarifier depth:

  • 8 ft: shallow tanks, general checks

  • 16 ft: common municipal clarifier depths

  • 24 ft: deeper clarifiers/lagoons or where full depth coverage is needed

  Can we replace damaged tube sections instead of buying a whole new sampler?
  Yes. Replacement tube sections are available for 16 ft and 24 ft units (top/bottom; and a middle section for 24 ft), so you can extend service life. 

  Does it include depth markers?
  Yes. The tube includes factory-applied depth markers for consistent readings. 

  Is there a warranty/guarantee for Canadian buyers?
  Your listing states a Lifetime Break-Free Guarantee for sales in the USA and Canada. Put this here because durability is the #1 operator complaint with sludge judges. 

  How should we store it to make it last? (operator tip)
  If possible, store out of constant sun/UV exposure. Some operators keep samplers in a vertical PVC sleeve near the clarifier to protect it and keep it accessible.
  
  What’s the easiest way to clean it after use? (operator tip)
  Rinse with clean water after use and avoid letting residue dry inside the tube. Follow your site SOP for any disinfecting steps.