B00H90O26C Bluelab PENGTB Grower’s Toolbox with pH Pen, Conductivity Pen and Probe Care Kits

Make sure this fitsby entering your model number. Growers Toolbox includes a pH pen and Conductivity pen for measuring pH, temperature and (tds) EC, ppm 500, ppm 700 and CF with lab quality glass that can be used for the pool, drinking water, hydroponics, brewing, and growing ph Pen has EASY two point calibration and auto temperature compensation makes the pH pen a handy tool with backlit LCD display and calibration reminders Conductivity pen can monitor your nutrient level to maximize your grow and ensure plants get the balanced feed they need; select your preferred units; calibration optional Other features: auto off function, low battery indicator, units for temperature; KIT INCLUDES: batteries, calibration solution, probe care kit for pH and conductivity, Bluelab’s Grow Book, and Grower’s Wall Chart Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment; 1 Year Limited Warranty with proof of purchase