Bluelab EC Pen - Conductivity Pen ihbLMOP High Quality Pure Palo Santo

High Quality Pure Palo Santo Wood - 3 Wooden Sticks

run 70% cooler than (HID) lights

A Beautiful Rope Tree Of Life Dream Catcher

Its name literally means holy wood

Bluelab EC Pen - Conductivity Pen ihbLMOP High Quality Pure Palo SantoBluelab EC Pen Conductivity Pen The Bluelab Conductivity Pen (formerly EC Pen) is the ultimate handy solution for measuring conductivity and temperature. Using the same technology that made the bought the Bluelab Truncheon into worldwide fame, the EC Pen is quick and seriously reliable. The EC Pen demonstrates the conductivity (TDS PPM EC CF) of your aqueous solution to ensure that your crop is receiving the right amount of nutrition. Like humans,