BL PPM PEN

The Bluelab EC/PPM Pen is the latest innovation for hand held conductivity meters, and the ultimate handy solution for measuring conductivity. The Bluelab EC and ppm pens measure how much food the plant has available.

Features:

• The Bluelab EC and ppm pens provide a compact, quick and handy way to manage the success of your crops to ensure they have the nutrients they need. 
• Measures conductivity and temperature of nutrient solutions.
• (1) AAA alkaline battery included