Bluelab® Conductivity Pen Meter Pots GROW adds more nitrogen for

GROW adds more nitrogen for growth

Factory Calibrated: The PH-80 meter is factory calibration to pH 7

Replacement should be performed when inlet pressure and outlet pressure difference is greater than 10%

• 100% organic — OMRI Listed

Active Dry Yeast

Bluelab® Conductivity Pen Meter Pots GROW adds more nitrogen forBluelab 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