CWP Instruments

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24-7 Nutrient Monitor
A great all around meter for nutrient applications needing constant monitoring. It measures PPM, ..
$208.95
Control Wizard 1382 Calibration Solution 4oz
Control Wizard Products 1382 Conductivity Standard. Use to calibrate all meters that use the 1 EC..
$4.95
TDS Wand
The lighted display is large and easy to read. There are no mistakes when the temperature compens..
$89.95