This is the starter pack kit but is open and missing the toothbrush, ph 7.0 solution, &amp; bluelab chamois. <br><br>Everything included is like new. See photos to see what you will receive. <br><br>Bluelab PENSTP pH and Conductivity Starter Pack - Precision Nutrient Solution Management Kit with Temperature Measurement, Waterproof Pens, and Probe Care Kit<br><br>Ready-to-Use Conductivity Pen: The Conductivity Pen is ready for use straight out of the box, offering measurements in EC, CF, TDS (500 ppm), and 700 ppm scales. It comes factory calibrated, eliminating the need for any initial setup. This pen provides immediate, accurate readings, making it a reliable tool for managing nutrient solutions.<br>Accurate pH Pen: The pH Pen, accurate to 0.1 pH, requires a quick two-point calibration process (reference sachets included) to ensure accurate nutrient delivery to plants. It measures pH and temperature using a double-junction probe and a simple, two-point pH calibration with a 30-day reminder. This pen is design
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