Eijkelkamp Rhizon Soil Moisture Sampler, 5cm Tubes, Pkg. of 10

5cm Tubes, Pkg. of 10 Ideal for greenhouses, waste water sampling, forestry studies and more. Samplers consist of a hydrophilic, porous polymer tube, 2.3mm in dia., a permanent connection to the soil surface and a connector for attaching vacuum tubes or syringes to extract samples. An internal stainless steel wire gives the sampler enough rigidity to insert horizontally, disrupting minimal amounts of soil. The porous coating lets soil moisture enter the tube. Samples are taken directly using a syringe. Ideal when measuring for pH because there is no CO2 loss in the sampling process. 5cm tube yields a representative sample in less than 16 hr., depending on soil conditions, and will last about 6 months. 10mL Syringes are sold in sets of 10, complete with adapter and retaining cap.