Bluelab EC Pen - Conductivity Pen ihbLMOP You can use it in

You can use it in your diffuser to keep you and your family healthy through-out the year

run 70% cooler than (HID) lights

000 Hours Reduces Maintenance Cost of Re-Lamping

Its name literally means holy wood

Blessing Hand Carved Wooden Box 5" x 7"

Bluelab EC Pen - Conductivity Pen ihbLMOP You can use it inBluelab 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,