Bluelab Conductivity Pen (EC or ppm) spider other essential nutrients and also

other essential nutrients and also contain organic compounds for additional plant benefits

Experience the power of a ballast straight out of Hydrofarm’s value line

A simple digital controller allows for the heat plate temperature to be set quickly and an automatic timer to keep track of squish lengths

Controls air conditioner or exhaust fan

Bluelab Conductivity Pen (EC or ppm) spider other essential nutrients and alsoThe 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, EC, ppm 500 and ppm 700. Teamed with