which stands for Made In North America

use MA9011 3

The SM-1 is provides an easy to read single line TDS monitor that provides a digital readout

Packaged Weight: 3

at 1 point through trimmer

Bluelab Conductivity Pen – Waterproof EC, TDS & Temperature Meter | ATC | Made in NZ MA887BOX which stands for Made InBluelab Conductivity Pen Waterproof EC, TDS & Temperature Meter An accurate and reliable conductivity (EC) and temperature pen for serious growers. The Bluelab Conductivity Pen (SKU: PENCON) measures nutrient levels and temperature to help you create the optimal nutrient environment for plant growth. Maintaining the right EC prevents nutrient burn and stunted growth keeping your crops healthy and your yields high. Factory calibrated and ready to use