Bluelab Conductivity Pen bio-organic fertilizer Antireflective coating on the inside

Antireflective coating on the inside of lens ensures maximum photon transmission

Roots Organics Buddha Grow is a one-part organic vegative growth nutrient formulated for potting soil and potting soilless gardens

*Correlated color temperatures will fluctuate pending which bulb is purchased

The extended collar allows for easy duct installation and taping

Bluelab Conductivity Pen bio-organic fertilizer Antireflective coating on the insideMinimum Order Quantity is 3 pieces. The ultimate handy solution for measuring conductivity! The Bluelab Conductivity Pen is the latest innovation for hand held conductivity meters. It provides a compact, quick and handy way to manage the success of your crops. The Bluelab Conductivity Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are needed. Display options available in C, F,