Bluelab PENGTB Grower's Toolbox with pH Pen, Conductivity Pen and Prob

Bluelab PENGTB Grower #39;s Toolbox with pH Pen, Conductivity Pen and Probe Care Kits  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 growingph Pen has EASY two point calibration and auto temperature compensation makes the pH pen a handy tool with backlit LCD display and calibration remindersConductivity pen can monitor your nutrient level to maximize your grow and ensure plants get the balanced feed they need; select your preferred units; calibration optionalOther features: auto off function, low battery indicator, units for temperature; KIT INCLUDES: batteries, calibration solution, probe care kit for pH and conductivity, Bluelab #39;s Grow Book, and Grower #39;s Wall ChartMade in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment; 1 Year Limited Warranty with proof of purchase A handy pack with everything you need to get going and keep growing. The Bluelab Grower #39;s Toolbox combines the essential tools you need to easily manage your crop by measuring the pH, conductivity (ppm) and temperature of the nutrient solution. Learn the basics with the Bluelab Grow Book, so you can get going and keep growing with the ultimate handy team, the Bluelab pH Pen and Bluelab ppm Pen. These clever little pens make it easy to measure the nutrient uptake (pH), the amount of food available (ppm) and the solution temperature, so you can create the best nutrient environment for your plants #39; growth. The Bluelab Care Kit makes maintenance easy to maximize the life and accuracy of the pens #39; probes. With these tools and essentials in one value added pack, The Grower #39;s Toolbox is a complete simple crop management system that helps you get it right from the start.