Bluelab® Conductivity Pen Meter Pots • 100% organic — OMRI

• 100% organic — OMRI Listed

Both can be used as weighing dishes

GROW adds more nitrogen for growth

High purity calcium carbonate specially formulated with an organic acid

See label for specific instructions

Bluelab® Conductivity Pen Meter Pots • 100% organic — OMRIBluelab Conductivity Pen Meter Measures Conductivity and Temperature The go to for hand held conductivity pens. The Bluelab Conductivity Pen measures conductivity and temperature and simply tells you the amount of nutrients in your solution. Conductivity is automatically compensated with the integrated temperature sensor. Provides a compact, quick, and accurate way to measure two key parameters for crop health. The robust, convenient, and accurate