NEWS RELEASE
Cost and Accuracy Comparisons
Mechanical Current Meter System with AquaCalc Versus Other Point Velocity Discharge Systems
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Silica Flour may be used with the Pressure/Vacuum Soil Water Sampler (No. 220680), sold separately, to surround the ceramic cup, providing good hydraulic contact with the soil (recommended usage is approximately 10.0 lb. per bore hole). 50 lb.